factors.insert(("abampere","ampere (A)"),10.0);
factors.insert(("abcoulomb","coulomb (C)"),10.0);
factors.insert(("abfarad","farad (F)"),1000000000.0);
factors.insert(("abhenry","henry (H)"),1e-09);
factors.insert(("abmho","siemen (S)"),1000000000.0);
factors.insert(("abohm","ohm ()"),1e-09);
factors.insert(("abvolt","volt (V)"),1e-08);
factors.insert(("acre","square  chainch (Gunter's)"),10.0);
factors.insert(("acre","square  rod"),160.0);
factors.insert(("acre","square  link (Gunter's)"),100000.0);
factors.insert(("acre","hectare"),0.4047);
factors.insert(("acre","square  foot"),43560.0);
factors.insert(("acre","square  meter"),4046.873);
factors.insert(("acre","square  mile"),0.001562);
factors.insert(("acre","square  yard"),4840.0);
factors.insert(("acre-foot","cubic  foot"),43560.0);
factors.insert(("acre-foot","gallon"),325900.0);
factors.insert(("acre-foot","cubic meter (m³)"),1233.489);
factors.insert(("ampere-hour","coulomb (C)"),3600.0);
factors.insert(("ampere-hour","faraday"),0.03731);
factors.insert(("ampere-turn","gilbert"),1.257);
factors.insert(("angstrom unit","inch"),3.94e-06);
factors.insert(("angstrom unit","meter"),1e-10);
factors.insert(("angstrom unit","micron"),0.0001);
factors.insert(("are","square meter"),100.0);
factors.insert(("atmosphere","ton per square  inch"),0.007348);
factors.insert(("atmosphere","centimeter of mercury"),76.0);
factors.insert(("atmosphere","foot  of water(at 4°C)"),33.9);
factors.insert(("atmosphere","inch  of water(at 4°C)"),406.8);
factors.insert(("atmosphere","inch  of mercury (0°C)"),29.92);
factors.insert(("atmosphere","kilo Pascal"),101.325);
factors.insert(("atmosphere","kilogram per square  centimeter"),1.0333);
factors.insert(("atmosphere","kilogram per square  meter"),10332.0);
factors.insert(("atmosphere","pound per square  inch"),14.7);
factors.insert(("atmosphere","ton per square  foot"),1.058);
factors.insert(("barn","square meter"),1e-28);
factors.insert(("barrel (US dry)","cubic  inch"),7056.0);
factors.insert(("barrel (US dry)","quart (dry)"),105.0);
factors.insert(("barrel (oil)","litre (L or l)"),158.9873);
factors.insert(("barrel (oil)","gallon (oil)"),42.0);
factors.insert(("bar","atmosphere"),0.9869);
factors.insert(("bar","dyne per square  centimeter"),1000000.0);
factors.insert(("bar","kilogram per square  meter"),10200.0);
factors.insert(("bar","pascal"),100000.0);
factors.insert(("bar","kilopascal (kPa)"),100.0);
factors.insert(("bar","pound per square  foot"),2089.0);
factors.insert(("bar","pound per square  inch"),14.5);
factors.insert(("biot","ampere (A)"),10.0);
factors.insert(("bolt (US cloth)","meter"),36.576);
factors.insert(("Btu [more Btu convert here]","erg"),10600000000.0);
factors.insert(("Btu (39 degF)","joule (J)"),1059.67);
factors.insert(("Btu per hr (international table)","watt"),0.2930711);
factors.insert(("bucket (Brit dry)","cubic centimeter"),18180.0);
factors.insert(("bushel (UK)","cubic  meter"),0.03636872);
factors.insert(("bushel (USA)","cubic  meter"),0.03523907);
factors.insert(("bushel","cubic  foot"),1.2445);
factors.insert(("bushel","cubic  inch"),2150.4);
factors.insert(("bushel","litre"),35.24);
factors.insert(("bushel","peck"),4.0);
factors.insert(("bushel","pint (dry)"),64.0);
factors.insert(("bushel","quart (dry)"),32.0);
factors.insert(("cable","mile (nautical)"),0.1);
factors.insert(("cable","meter ( m )"),185.3);
factors.insert(("caliber","inch ( inch )"),0.01);
factors.insert(("caliber","millimeter ( mm )"),0.254);
factors.insert(("calorie","horsepower-hour"),1.56e-06);
factors.insert(("calorie","horsepower-hour (metric)"),1.58e-06);
factors.insert(("calorie (international table)","joule ( J )"),4.1868);
factors.insert(("calorie (thermochemical)","joule"),4.184);
factors.insert(("calorie (15 degree C)","joule"),4.1855);
factors.insert(("calorie (20 degree C)","joule"),4.1819);
factors.insert(("calorie (mean)","joule"),4.19002);
factors.insert(("calorie (int) per hr","watt ( W )"),0.001163);
factors.insert(("calorie (thermo) per square  centimeter  minch","watt per square  meter"),697.3333);
factors.insert(("calorie","kilowatt-hour ( kWhr )"),1.16e-06);
factors.insert(("candela per square inch","candela per square  meter"),1550.003);
factors.insert(("candle per square  centimeter","lambert"),3.142);
factors.insert(("candle per square  inch","lambert"),0.487);
factors.insert(("carat (metric)","gram ( g )"),0.2);
factors.insert(("centare (centiares)","square  meter"),1.0);
factors.insert(("centigram","gram"),0.01);
factors.insert(("centilitre","ounce fluid (US)"),0.3382);
factors.insert(("centilitre","cubic inch"),0.6103);
factors.insert(("centilitre","dram"),2.705);
factors.insert(("centilitre","litre ( liter )"),0.01);
factors.insert(("centimeter","foot ( foot )"),0.03281);
factors.insert(("centimeter ( centimeter )","inch"),0.3937);
factors.insert(("centimeter","kilometer"),1e-05);
factors.insert(("centimeter","meter"),0.01);
factors.insert(("centimeter","mile"),6.21e-06);
factors.insert(("centimeter","millimeter"),10.0);
factors.insert(("centimeter","mil"),393.7);
factors.insert(("centimeter","yard ( yd )"),0.01094);
factors.insert(("centimeters-dyne","centimeter -gram"),0.00102);
factors.insert(("centimeter-dyne","meter-kilogram s"),1.02e-08);
factors.insert(("centimeter-dyne","pound-foot"),7.38e-08);
factors.insert(("centimeter-gram","centimeter -dyne"),980.7);
factors.insert(("centimeter-gram","meter-kilogram s"),1e-05);
factors.insert(("centimeter-gram","pound-foot"),0.07233);
factors.insert(("centimeter of mercury (0degC)","pascal"),1333.2239);
factors.insert(("centimeter of mercury","atmosphere"),0.01316);
factors.insert(("centimeter of mercury","foot of water"),0.4461);
factors.insert(("centimeter of mercury","kilogram per square  meter"),136.0);
factors.insert(("centimeter of mercury","pound per square  foot"),27.85);
factors.insert(("centimeter of mercury","pound per square  inch ( psi )"),0.1934);
factors.insert(("centimeter of water (4 degC)","pascal"),98.0638);
factors.insert(("centimeter of water (conventional)","pascal"),98.0665);
factors.insert(("centimeter per sec","foot per minch"),1.1969);
factors.insert(("centimeter per sec","foot per sec"),0.03281);
factors.insert(("centimeter per sec","kilometer per hr"),0.036);
factors.insert(("centimeter per sec","knot"),0.1943);
factors.insert(("centimeter per sec","meter per minch"),0.6);
factors.insert(("centimeter per sec","mile per hr"),0.02237);
factors.insert(("centimeter per sec","mile per minch"),0.0003728);
factors.insert(("centimeter per sec per sec","foot per sec per sec"),0.03281);
factors.insert(("centimeter per sec per sec","kilometer per hr per sec"),0.036);
factors.insert(("centimeter per sec per sec","meter per sec per sec"),0.01);
factors.insert(("centimeter per sec per sec","mile per hr per sec"),0.02237);
factors.insert(("centipoise","pascal second (Pa-s)"),0.001);
factors.insert(("centistoke","meter square  per second"),1e-06);
factors.insert(("cfm (cubic foot per minch )","cubic  centimeter per sec"),472.0);
factors.insert(("chainch","inch"),792.0);
factors.insert(("chainch (engineer or Ramden's)","meter"),30.48);
factors.insert(("chainch (surveyor's or Gunter's)","meter"),20.12);
factors.insert(("chainch (US survey foot)","meter"),20.11684);
factors.insert(("chainch (surveyor's or Gunter's)","yard"),22.0);
factors.insert(("cheval vapeur (metric hp)","watt"),735.499);
factors.insert(("circular mil","square  centimeter"),5.07e-06);
factors.insert(("circular mil","square  mil"),0.7854);
factors.insert(("circular mil","square  inch"),7.85e-07);
factors.insert(("circumference ( circ )","radian"),6.283);
factors.insert(("clo","kelvinch square  meter per watt"),0.2003712);
factors.insert(("clo (alternative info source)","kelvinch square  meter per watt"),0.155);
factors.insert(("clusec","pascal cubic  meter per sec"),1.333224e-06);
factors.insert(("cord","cord foot"),8.0);
factors.insert(("cord","cubic meter"),3.624556);
factors.insert(("cord foot","cubic  foot"),16.0);
factors.insert(("coulomb","statcoulomb"),3000000000.0);
factors.insert(("coulomb","faraday"),1.04e-05);
factors.insert(("coulomb per square  centimeter","coulomb per square  inch"),64.52);
factors.insert(("coulomb per square  centimeter","coulomb per square  meter"),10000.0);
factors.insert(("coulomb per square  inch","coulomb per square  centimeter"),0.155);
factors.insert(("coulomb per square  inch","coulomb per square  meter"),1550.0);
factors.insert(("coulomb per square  meter","coulomb per square  centimeter"),0.0001);
factors.insert(("coulomb per square  meter","coulomb per square  inch"),0.0006452);
factors.insert(("cubic centimeter ( cubic centimeter  )","cubic  foot"),3.53e-05);
factors.insert(("cubic centimeter","cubic  inch"),0.06102374);
factors.insert(("cubic centimeter","cubic  meter"),1e-06);
factors.insert(("cubic centimeter","cubic  millimeter"),1000.0);
factors.insert(("cubic centimeter","cubic  yard"),1.31e-06);
factors.insert(("cubic centimeter","drachm (Brit fluid)"),0.2815606);
factors.insert(("cubic centimeter","dram (US fluid)"),0.2705122);
factors.insert(("cubic centimeter","gallon (Brit liq)"),0.00022);
factors.insert(("cubic centimeter","gallon (US liq)"),0.000264);
factors.insert(("cubic centimeter ( cc )","litre ( to hp )"),0.001);
factors.insert(("cubic centimeter","pint (US liq)"),0.002113);
factors.insert(("cubic centimeter","quart (US liq)"),0.001057);
factors.insert(("cubic foot ( cubic foot  )","bushel (dry)"),0.8036);
factors.insert(("cubic foot ( ft3 )","cubic  centimeter"),28320.0);
factors.insert(("cubic foot ( foot ^3 )","cubic  inch"),1728.0);
factors.insert(("cubic foot","cubic  meter"),0.02831685);
factors.insert(("cubic foot","cubic  yard"),0.037037037);
factors.insert(("cubic foot","gallon (US liq)"),7.48052);
factors.insert(("cubic foot","litre"),28.32);
factors.insert(("cubic foot","pint (US liq)"),59.84);
factors.insert(("cubic foot","quart (US liq)"),29.92);
factors.insert(("cubic foot per minch ( cfm )","cubic  centimeter per sec"),472.0);
factors.insert(("cubic foot per minch ( ft3 per minch )","gallon per sec"),0.1247);
factors.insert(("cubic foot per minch","litre per sec"),0.4719474);
factors.insert(("cubic foot per minch","pound of water per minch"),62.43);
factors.insert(("cubic foot per sec","million gals per day"),0.646317);
factors.insert(("cubic foot per sec","gallon per minch"),448.831);
factors.insert(("cubic inch ( cubic inch  )","cubic  centimeter ( cc ) ( to hp)"),16.387);
factors.insert(("cubic inch","cubic  foot"),0.0005787);
factors.insert(("cubic inch","cubic  meter"),1.6387064e-05);
factors.insert(("cubic inch","cubic yard"),2.14e-05);
factors.insert(("cubic inch","gallon"),0.004329);
factors.insert(("cubic inch","mil-foot"),106100.0);
factors.insert(("cubic inch","pint (US liq)"),0.03463);
factors.insert(("cubic inch","quart (US liq)"),0.01732);
factors.insert(("cubic inch per minute","cubic  meter per second"),2.731177e-07);
factors.insert(("cubic meter ( cubic m )","bushel (dry)"),28.38);
factors.insert(("cubic meter","cubic centimeter"),1000000.0);
factors.insert(("cubic meter","cubic foot"),35.31);
factors.insert(("cubic meter","cubic inch"),61023.0);
factors.insert(("cubic meter","cubic yard"),1.307951);
factors.insert(("cubic meter","gallon (US liq)"),264.2);
factors.insert(("cubic meter","litre"),1000.0);
factors.insert(("cubic meter","pint (US liq)"),2113.0);
factors.insert(("cubic meter","quart (US liq)"),1057.0);
factors.insert(("cubic mile","cubic meter"),4168182000.0);
factors.insert(("cubic yard ( cubic yd )","cubic cm"),764600.0);
factors.insert(("cubic yard ( yd3 )","cubic foot"),27.0);
factors.insert(("cubic yard","cubic inch"),46656.0);
factors.insert(("cubic yard","cubic meter"),0.7645549);
factors.insert(("cubic yard","gallon (US liq)"),202.0);
factors.insert(("cubic yard","litre"),764.6);
factors.insert(("cubic yard","pint (US liq)"),1615.9);
factors.insert(("cubic yard","quart (US liq)"),807.9);
factors.insert(("cubic yard per minch","cubic foot per sec"),0.45);
factors.insert(("cubic yard per minch","gallon per sec"),3.367);
factors.insert(("cubic yard per minch","litre per sec"),12.74);
factors.insert(("cubic yard per minch","cubic meter per sec"),0.01274258);
factors.insert(("cup (USA)","cubic centimeter"),236.5882);
factors.insert(("cup (UK)","cubic  meter"),0.0002841306);
factors.insert(("curie (Ci)","becquerel (Bq)"),37000000000.0);
factors.insert(("cusec hour","cubic  meter"),101.9407);
factors.insert(("darcy","square meter"),9.869233e-13);
factors.insert(("day (mean solar)","second"),86400.0);
factors.insert(("day (sidereal) (more on time)","second"),86164.09);
factors.insert(("debye","coulomb meter"),3.335641e-30);
factors.insert(("decigram","gram"),0.1);
factors.insert(("decilitre","litre"),0.1);
factors.insert(("decimeter","meter"),0.1);
factors.insert(("degree (angle)","quadrant"),0.01111);
factors.insert(("degree (angle)","radian"),0.01745329);
factors.insert(("degree (angle)","second"),3600.0);
factors.insert(("degree per sec","radian per sec"),0.01745);
factors.insert(("degree per sec","revolution per minch"),0.1667);
factors.insert(("degree per sec","revolution per sec"),0.002778);
factors.insert(("dekagram","gram"),10.0);
factors.insert(("dekalitre","litre"),10.0);
factors.insert(("dekameter","meter"),10.0);
factors.insert(("denier","gram per meter"),0.0001111111);
factors.insert(("denier","gram per 9000 meter"),1.0);
factors.insert(("dioptre","per meter"),1.0);
factors.insert(("drachm (fluid) (UK) ( medical )","cubic  meter"),0.003551633);
factors.insert(("drams(apoth or troy)","ounces(avoirdupois)"),0.1371429);
factors.insert(("drams(apoth or troy)","ounce (troy)"),0.125);
factors.insert(("drams(US fluid or apoth)","cubic centimeter"),3.6967);
factors.insert(("dram","grain"),27.3437);
factors.insert(("dram","gram"),1.7718);
factors.insert(("dram","ounce"),0.0625);
factors.insert(("drop (also see kitchen)","teaspoon US"),0.01666);
factors.insert(("dyne per centimeter","erg per square  millimeter"),0.01);
factors.insert(("dyne per square  centimeter","atmosphere"),9.87e-07);
factors.insert(("dyne per square  centimeter","inch of mercury at 0°C"),2.95e-05);
factors.insert(("dyne per square  centimeter","inch of water at 4°C"),0.0004015);
factors.insert(("dyne","gram"),0.00102);
factors.insert(("dyne","joule per centimeter"),1e-07);
factors.insert(("dyne","joule per meter (newtons)"),1e-05);
factors.insert(("dyne","kilogram"),1.02e-06);
factors.insert(("dyne","poundal"),7.23e-05);
factors.insert(("dyne","pound"),2.25e-06);
factors.insert(("dyne centimeter","newton meter"),1e-07);
factors.insert(("dyne per square  centimeter","pascal (Pa)"),0.1);
factors.insert(("dyne per square  centimeter","bar"),1e-06);
factors.insert(("electromagnetic unit of capacitance","farad (F)"),1000000000.0);
factors.insert(("electromagnetic unit of charge","coulomb (C)"),10.0);
factors.insert(("electromagnetic unit of current","ampere (A)"),10.0);
factors.insert(("electromagnetic unit of inductance","henry (H)"),1e-09);
factors.insert(("electromagnetic unit of potential","volt (V)"),1e-08);
factors.insert(("electromagnetic unit of resistance","ohm ()"),1e-09);
factors.insert(("electronvolt","joule (J)"),1.6021917e-19);
factors.insert(("electrostatic unit of capacitance","farad"),1.112649e-12);
factors.insert(("electrostatic unit of charge (franklinch )","coulomb"),3.33564e-10);
factors.insert(("electrostatic unit of current","ampere"),3.33564e-10);
factors.insert(("electrostatic unit of inductance","henry"),898755431000.0);
factors.insert(("electrostatic unit of potential","volt"),299.7925);
factors.insert(("electrostatic unit of resistance","ohm"),898755431000.0);
factors.insert(("ell","centimeter"),114.3);
factors.insert(("ell","inch"),45.0);
factors.insert(("em (pica)","inch"),0.167);
factors.insert(("em (pica)","centimeter"),0.4233);
factors.insert(("erg per sec","dyne-centimeter per sec"),1.0);
factors.insert(("erg","Btu"),9.48e-11);
factors.insert(("erg","dyne-centimeter"),1.0);
factors.insert(("erg","foot-pound"),7.37e-08);
factors.insert(("erg","gram-calorie"),2.39e-08);
factors.insert(("erg","grams-centimeter"),0.00102);
factors.insert(("erg","horsepower-hour"),3.73e-14);
factors.insert(("erg","joule"),1e-07);
factors.insert(("erg","kilogram -calorie"),2.39e-11);
factors.insert(("erg","kilogram -meter"),1.02e-08);
factors.insert(("erg","kilowatt-hour"),2.78e-14);
factors.insert(("erg","watt-hour"),2.78e-11);
factors.insert(("erg per sec","Btu per minch"),5.69e-06);
factors.insert(("erg per sec","foot -lb per minch"),4.43e-06);
factors.insert(("erg per sec","foot -lb per sec"),7.38e-08);
factors.insert(("erg per sec","horsepower"),1.34e-10);
factors.insert(("erg per sec","kilogram -calorie per minch"),1.43e-09);
factors.insert(("erg per sec","watt"),1e-07);
factors.insert(("farad","microfarad"),1e-06);
factors.insert(("farad (international of 1948)","farad"),0.999505);
factors.insert(("faraday per sec","ampere (absolute)"),96500.0);
factors.insert(("faraday","ampere-hour"),26.8);
factors.insert(("faraday (based on carbon- 12)","coulomb"),96485.31);
factors.insert(("faraday (chemical)","coulomb per mole"),96495.7);
factors.insert(("faraday (physical)","coulomb per mole"),96521.9);
factors.insert(("fathom","meter"),1.828804);
factors.insert(("fathom","foot"),6.0);
factors.insert(("fathom","shackle"),15.0);
factors.insert(("foot (foot )","centimeter"),30.48);
factors.insert(("foot","kilometer"),0.0003048);
factors.insert(("foot (English Imperial)","meter"),0.3048);
factors.insert(("foot (US survey)","meter"),0.3048006);
factors.insert(("foot (Cape)","meter"),0.3148581);
factors.insert(("foot (geodetic Cape)","meter"),0.314855575);
factors.insert(("foot","mile (naut)"),0.0001645);
factors.insert(("foot","mile (stat)"),0.0001894);
factors.insert(("foot","millimeter"),304.8);
factors.insert(("foot","mil"),12000.0);
factors.insert(("foot of water","amosphere"),0.0295);
factors.insert(("foot of water","inch  of mercury"),0.8826);
factors.insert(("foot of water","kilogram per square  centimeter"),0.03048);
factors.insert(("foot of water","kilogram per square  meter"),304.8);
factors.insert(("foot of water","pound per square  foot"),62.43);
factors.insert(("foot of water","pound per square  inch"),0.4335);
factors.insert(("foot per minch (fpm)","cm per sec"),0.508);
factors.insert(("foot per minch","foot per sec"),0.01667);
factors.insert(("foot per minch","km per hr"),0.01829);
factors.insert(("foot per minch","meter per minch"),0.3048);
factors.insert(("foot per minch","mile per hr"),0.01136);
factors.insert(("foot per sec","cm per sec"),30.48);
factors.insert(("foot per sec","km per hr"),1.097);
factors.insert(("foot per sec","knot"),0.5921);
factors.insert(("foot per sec","meter per minch"),18.29);
factors.insert(("foot per sec","mile per hr"),0.6818);
factors.insert(("foot per sec","mile per minch"),0.01136);
factors.insert(("foot per sec per sec","cm per sec per sec"),30.48);
factors.insert(("foot per sec per sec","km per hr per sec"),1.097);
factors.insert(("foot per sec per sec","meter per sec per sec"),0.3048);
factors.insert(("foot per sec per sec","mile per hr per sec"),0.6818);
factors.insert(("foot per 100 foot","percent grade"),1.0);
factors.insert(("fermi","meter"),1e-15);
factors.insert(("foot (foot  - singular of foot)","meter"),0.3048);
factors.insert(("foot (Cape)","meter"),0.3148581);
factors.insert(("foot (geodetic Cape)","meter"),0.314855575);
factors.insert(("foot (South African geodetic)","meter"),0.304797265);
factors.insert(("foot-candle","lumen per square  meter"),10.76391);
factors.insert(("foot lambert","candela per square  meter"),3.426259);
factors.insert(("foot-pound","Btu"),0.001286);
factors.insert(("foot-pound","erg"),13600000.0);
factors.insert(("foot-pound","gram-calorie"),0.3238);
factors.insert(("foot-pound","hp-hour"),5.05e-07);
factors.insert(("foot-pound","joule"),1.355818);
factors.insert(("foot-pound","kilogram -calorie"),0.000324);
factors.insert(("foot-pound","kilogram -meter"),0.1383);
factors.insert(("foot-pound","kilowatt-hour"),3.77e-07);
factors.insert(("foot-pound per minch","Btu per minch"),0.001286);
factors.insert(("foot-pound per minch","foot-pound per sec"),0.01667);
factors.insert(("foot-pound per minch","horsepower"),3.03e-05);
factors.insert(("foot-pound per minch","kilogram -calorie per minch"),0.000324);
factors.insert(("foot-pound per minch","watt"),0.0226);
factors.insert(("foot-pound per sec","Btu per hr"),4.6263);
factors.insert(("foot-pound per sec","Btu per minch"),0.07717);
factors.insert(("foot-pound per sec","horsepower"),0.000818);
factors.insert(("foot-pound per sec","kilogram -calorie per minch"),1.01945);
factors.insert(("foot-pound per sec","watt"),1.355818);
factors.insert(("footE+04 (second moment of area)","meter to the fourth power"),0.008630975);
factors.insert(("franklinch (Fr)","coulomb (C)"),3.3356641e-10);
factors.insert(("frigorie","watt"),1.162639);
factors.insert(("furlong","mile (US)"),0.125);
factors.insert(("furlong","rod"),40.0);
factors.insert(("furlong","foot"),660.0);
factors.insert(("foot","foot or foot"),1.0);
factors.insert(("gal","meter per sec square"),0.01);
factors.insert(("gallon (Imperial)","cubic meter"),0.00454609);
factors.insert(("gallon (Imperial)","litre"),4.54609);
factors.insert(("gallon (US)","cubic centimeter (cc)"),3785.412);
factors.insert(("gallon (US)","cubic foot"),0.1337);
factors.insert(("gallon (US)","cubic  inch"),231.0);
factors.insert(("gallon (US)","cubic  meter"),0.003785);
factors.insert(("gallon (US)","cubic  yard"),0.004951);
factors.insert(("gallon (US)","litre"),3.785412);
factors.insert(("gallon (liq British imp)","gallon (US liq)"),1.20094);
factors.insert(("gallon (US)","gallon (imp)"),0.83267);
factors.insert(("gallon (US) of water","pound of water"),8.3453);
factors.insert(("gallon (Imperial) of water","pound of water"),10.0);
factors.insert(("gallons(US) per minch","cubic  foot per sec"),0.002228);
factors.insert(("gallons(US) per minch","litre per sec"),0.0630902);
factors.insert(("gallons(Imperial) per minch","litre per sec"),0.07577);
factors.insert(("gallons(US) per minch","cubic  foot per hr"),8.0208);
factors.insert(("gamma (magnetic induction)","tesla ( T )"),1e-09);
factors.insert(("gamma (mass)","kilogram"),1e-09);
factors.insert(("gaus","tesla"),0.0001);
factors.insert(("gaus","line per square  inch"),6.452);
factors.insert(("gaus","weber per square  centimeter"),1e-08);
factors.insert(("gaus","weber per square  inch"),6.45e-08);
factors.insert(("gaus","weber per square  meter"),0.0001);
factors.insert(("gilbert","ampere-turn"),0.7957747);
factors.insert(("gilbert per centimeter","amp-turn per centimeter"),0.7958);
factors.insert(("gilbert per centimeter","amp-turn per inch"),2.021);
factors.insert(("gilbert per centimeter","amp-turn per meter"),79.581);
factors.insert(("gill (British)","cubic centimeter"),142.0653);
factors.insert(("gill (US)","litre"),0.1183);
factors.insert(("gill (US)","pint (liq)"),0.25);
factors.insert(("gon or grade","radian (pi per 200)"),0.01570796);
factors.insert(("grain ( see medical page )","dram (avoirdupois)"),0.03657143);
factors.insert(("grain (troy)","grain (avoirdupois)"),1.0);
factors.insert(("grain (troy)","gram"),0.06479891);
factors.insert(("grain (troy)","ounce (avoirdupois)"),0.0020833);
factors.insert(("grain (troy)","pennyweight (troy)"),0.04167);
factors.insert(("grain per US gallon","part per million"),17.118);
factors.insert(("grain per Imperial gallon","part per million"),14.2538);
factors.insert(("grain per US gallon","pound per million"),142.86);
factors.insert(("grain per imp gallon","gal part per million"),14.286);
factors.insert(("gram","carat (metric)"),5.0);
factors.insert(("gram","dram"),0.56438339);
factors.insert(("gram","dyne"),980.7);
factors.insert(("gram","grain"),15.43);
factors.insert(("gram","joule per centimeter"),9.81e-05);
factors.insert(("gram","joule per meter (newtons)"),0.00981);
factors.insert(("gram","kilogram"),0.001);
factors.insert(("gram","milligram"),1000.0);
factors.insert(("gram","ounces(avoirdupois)"),0.035273962);
factors.insert(("gram","ounce (troy)"),0.032150747);
factors.insert(("gram","poundal"),0.07093);
factors.insert(("gram","pound"),0.002204623);
factors.insert(("gram per centimeter","pound per inch"),0.0056);
factors.insert(("gram per cubic  centimeter","pound per cubic  foot"),62.43);
factors.insert(("gram per cubic  centimeter","pound per cubic  inch"),0.03613);
factors.insert(("gram per cubic  centimeter","pound per mil-foot"),3.41e-07);
factors.insert(("gram per litre","grain per gal (US)"),58.417);
factors.insert(("gram per litre","pound per 1000 gal"),8.345);
factors.insert(("gram per litre","pound per cubic  foot"),0.062427);
factors.insert(("gram per litre","part per million"),1000.0);
factors.insert(("gram per square  centimeter","pound per square  foot"),2.0481);
factors.insert(("gram force per square centimeter","pascal"),98.0665);
factors.insert(("gram-calorie","Btu"),0.0039683);
factors.insert(("gram-calorie","erg"),4.19e-07);
factors.insert(("gram-calorie","foot-pound"),3.088);
factors.insert(("gram-calorie","horsepower-hour"),1.56e-06);
factors.insert(("gram-calorie","kilowatt-hour"),1.16e-06);
factors.insert(("gram-calorie","watt-hour"),0.001163);
factors.insert(("gram-calorie per sec","Btu per hr"),14.286);
factors.insert(("gram-calorie","Btu"),9.3e-08);
factors.insert(("gram-centimeter","erg"),980.7);
factors.insert(("gram-centimeter","joule"),980700.0);
factors.insert(("gram-centimeter","kilogram -cal"),234000000.0);
factors.insert(("gram-centimeter","kilogram -meter"),100000.0);
factors.insert(("hand","centimeter"),10.16);
factors.insert(("hectare (10000 square m)","acre"),2.471);
factors.insert(("hectare","square  foot"),107600.0);
factors.insert(("hectogram","gram"),100.0);
factors.insert(("hectolitre","litre"),100.0);
factors.insert(("hectometer","meter"),100.0);
factors.insert(("hectowatt","watt"),100.0);
factors.insert(("henrie","millihenrie"),1000.0);
factors.insert(("hogshead (British)","cubic foot"),10.114);
factors.insert(("hogshead (US)","cubic foot"),8.42184);
factors.insert(("hogshead (US)","gallon (US)"),63.0);
factors.insert(("horsepower","Btu per minch"),42.44);
factors.insert(("horsepower","foot-lb per minch"),33000.0);
factors.insert(("horsepower","foot-lb per sec"),550.0);
factors.insert(("horsepower (metric)","horsepower"),0.9863);
factors.insert(("horsepower","kilogram -calorie per minch"),10.68);
factors.insert(("horsepower","kilowatt"),0.7457);
factors.insert(("horsepower (boiler)","Btu per hr"),33479.0);
factors.insert(("horsepower (boiler)","watt"),9809.5);
factors.insert(("horsepower (metric)","watt"),735.4988);
factors.insert(("horsepower (electric)","watt"),746.0);
factors.insert(("horsepower (UK)","watt"),745.7);
factors.insert(("horsepower (water)","watt"),746.043);
factors.insert(("horsepower-hour","Btu"),2547.0);
factors.insert(("horsepower-hour","erg"),26800000000000.0);
factors.insert(("horsepower-hour","foot-lb"),1980000.0);
factors.insert(("horsepower-hour","gram-calorie"),641190.0);
factors.insert(("horsepower-hour","joule"),2684000.0);
factors.insert(("horsepower-hour","kilogram -calorie"),641.1);
factors.insert(("horsepower-hour","kilogram -meter"),273700.0);
factors.insert(("horsepower-hour","kilowatt-hour"),0.7457);
factors.insert(("hour (mean solar)","day (more on time)"),0.04166667);
factors.insert(("hour (mean solar)","week"),0.005952381);
factors.insert(("hundredweight (cwt) (long)","pound (lbs)"),112.0);
factors.insert(("hundredweight (long)","ton (long)"),0.05);
factors.insert(("hundredweight (short)","ounce (avoirdupois)"),1600.0);
factors.insert(("hundredweight (short)","pound (lbs)"),100.0);
factors.insert(("hundredweight (short)","tonne (metric)"),0.0453592);
factors.insert(("hundredweight (short)","ton (long)"),0.0446429);
factors.insert(("inch","centimeter"),2.54);
factors.insert(("inch","foot"),0.08333333);
factors.insert(("inch","meter"),0.0254);
factors.insert(("inch","mile"),1.578e-05);
factors.insert(("inch","millimeter"),25.4);
factors.insert(("inch","mil"),1000.0);
factors.insert(("inch","yard"),0.027777778);
factors.insert(("inch of mercury (at 32degF)","pascal"),3386.389);
factors.insert(("inch of mercury","atmosphere"),0.03342);
factors.insert(("inch of mercury","foot of water"),1.133);
factors.insert(("inch of mercury","kilogram per square  centimeter"),0.03453);
factors.insert(("inch of mercury","kilogram per square  meter"),345.3);
factors.insert(("inch of mercury","pound per square  foot"),70.73);
factors.insert(("inch of mercury","pound per square  inch"),0.4912);
factors.insert(("inch of water (at 4ºC)","atmosphere"),0.002458);
factors.insert(("inch of water (at 4ºC)","inch of mercury"),0.07355);
factors.insert(("inch of water (at 4ºC)","kilogram per square  centimeter"),0.00254);
factors.insert(("inch of water (at 4ºC)","ounce per square  inch"),0.5781);
factors.insert(("inch of water (at 4ºC)","pound per square  foot"),5.204);
factors.insert(("inch of water (at 4ºC)","pound per square  inch"),0.03613);
factors.insert(("international ampere","ampere (absolute)"),0.9998);
factors.insert(("international volt","joule (absolute)"),1.59e-19);
factors.insert(("international volt","joule"),96540.0);
factors.insert(("iron (shoes)","meter"),0.00053);
factors.insert(("joule","Btu"),0.000948);
factors.insert(("joule","erg"),10000000.0);
factors.insert(("joule","foot-pound"),0.7376);
factors.insert(("joule","kilogram -calorie"),0.0002389);
factors.insert(("joule","kilogram -meter"),0.102);
factors.insert(("joule","watt-hour"),0.0002778);
factors.insert(("joule per centimeter","gram"),10200.0);
factors.insert(("joule per centimeter","dyne"),10000000.0);
factors.insert(("joule per centimeter","joule per meter (newton)"),100.0);
factors.insert(("joule","poundal"),723.3);
factors.insert(("joule","pound"),22.48);
factors.insert(("kayser","reciprocal meter"),100.0);
factors.insert(("kilogram (kilogram )","dyne"),980665.0);
factors.insert(("kilogram","gram"),1000.0);
factors.insert(("kilogram","joule per centimeter"),0.09807);
factors.insert(("kilogram","joule per meter (newtons)"),9.807);
factors.insert(("kilogram","poundal"),70.93);
factors.insert(("kilogram","pound"),2.2046);
factors.insert(("kilogram","ton (long)"),0.000984);
factors.insert(("kilogram","ton (short)"),0.0011);
factors.insert(("kilogram per cubic meter","gram per cubic centimeter"),0.001);
factors.insert(("kilogram per cubic meter","pound per cubic foot"),0.06243);
factors.insert(("kilogram per cubic meter","pound per cubic inch"),3.61e-05);
factors.insert(("kilogram per cubic meter","pound per mil-foot"),3.41e-10);
factors.insert(("kilogram per meter","pound per foot"),0.672);
factors.insert(("kilogram per square centimeter","dyne"),980665.0);
factors.insert(("kilogram per square centimeter","atmosphere"),0.9678);
factors.insert(("kilogram per square centimeter","foot of water"),32.81);
factors.insert(("kilogram per square centimeter","inch of mercury"),28.96);
factors.insert(("kilogram per square centimeter","pound per square foot"),2048.0);
factors.insert(("kilogram per square centimeter","pound per square inch"),14.22);
factors.insert(("kilogram per square meter","atmosphere"),9.68e-05);
factors.insert(("kilogram per square meter","bar"),9.81e-05);
factors.insert(("kilogram per cubic meter","foot of water"),0.00328);
factors.insert(("kilogram per cubic meter","inch of mercury"),0.0029);
factors.insert(("kilogram per cubic meter","pound per square foot"),0.2048);
factors.insert(("kilogram per cubic meter","pound per square inch"),0.00142);
factors.insert(("kilogram per square mm","kilogram per square meter"),1000000.0);
factors.insert(("kilogram-calorie","Btu"),3.968);
factors.insert(("kilogram-calorie","foot-pound"),3088.0);
factors.insert(("kilogram-calorie","hp-hour"),0.00156);
factors.insert(("kilogram-calorie","joule"),4186.0);
factors.insert(("kilogram-calorie","kilogram -meter"),426.9);
factors.insert(("kilogram-calorie","kilojoule"),4.186);
factors.insert(("kilogram-calorie","kilowatt-hour"),0.00116);
factors.insert(("kilogram-meter","Btu"),0.00929);
factors.insert(("kilogram-meter","erg"),98000000.0);
factors.insert(("kilogram-meter","foot-pound"),7.233);
factors.insert(("kilogram-meter","joule"),9.804);
factors.insert(("kilogram-meter","kilogram -calorie"),0.00234);
factors.insert(("kilogram-meter","kilowatt-hour"),2.72e-06);
factors.insert(("kilogram-force meter","newton meter"),9.80665);
factors.insert(("kiloline","maxwell"),1000.0);
factors.insert(("kilolitre","litre"),1000.0);
factors.insert(("kilometer","astronomical unit"),6.68e-09);
factors.insert(("kilometer","centimeter"),100000.0);
factors.insert(("kilometer","foot"),3280.84);
factors.insert(("kilometer","inch"),39400.0);
factors.insert(("kilometer","light year"),1.06e-13);
factors.insert(("kilometer","meter"),1000.0);
factors.insert(("kilometer","mile"),0.6214);
factors.insert(("kilometer","millimeter"),1000000.0);
factors.insert(("kilometer","yard"),1094.0);
factors.insert(("kilometer per hr","cm per sec"),27.78);
factors.insert(("kilometer per hr","foot per minch"),54.68);
factors.insert(("kilometer per hr","foot per sec"),0.9113);
factors.insert(("kilometer per hr","knot"),0.5396);
factors.insert(("kilometer per hr","meter per minch"),16.67);
factors.insert(("kilometer per hr","mile per hr"),0.6214);
factors.insert(("kilometer per hr per sec","cm per hr per sec"),27.78);
factors.insert(("kilometer per hr per sec","foot per sec per sec"),0.9113);
factors.insert(("kilometer per hr per sec","meter per sec per sec"),0.2778);
factors.insert(("kilometer per hr per sec","mile per hr per sec"),0.6214);
factors.insert(("kilopond (= kilogram force)(kp)","newton"),9.80665);
factors.insert(("kilowatt","Btu per minch"),56.92);
factors.insert(("kilowatt","foot-lb per minch"),44300.0);
factors.insert(("kilowatt","foot-lb per sec"),737.6);
factors.insert(("kilowatt","horsepower"),1.341);
factors.insert(("kilowatt","kilogram -calorie per minch"),14.34);
factors.insert(("kilowatt","watt"),1000.0);
factors.insert(("kilowatt-hour","Btu"),3413.0);
factors.insert(("kilowatt-hour","erg"),36000000000000.0);
factors.insert(("kilowatt-hour","foot-lb"),2660000.0);
factors.insert(("kilowatt-hour","gram-calorie"),859850.0);
factors.insert(("kilowatt-hour","horsepower-hour"),1.341);
factors.insert(("kilowatt-hour","joule"),3600590.0);
factors.insert(("kilowatt-hour","kilogram -calorie"),860.5);
factors.insert(("kilowatt-hour","kilogram -meter"),367000.0);
factors.insert(("kilowatt-hour","lb of water evap at 212ºF"),3.53);
factors.insert(("kilowatt-hour","lb of water ^ from 62º-212ºF"),22.75);
factors.insert(("kilowatt-hour","newton"),4448.222);
factors.insert(("knot","foot per hr"),6080.0);
factors.insert(("knot","kilometer per hr"),1.8532);
factors.insert(("knot","nautical mile per hr"),1.0);
factors.insert(("knot","statute mile per hr ( mph )"),1.151);
factors.insert(("knot","yard per hr"),2027.0);
factors.insert(("knot","foot per sec"),1.689);
factors.insert(("knot","meter per second ( m per )"),0.5144444);
factors.insert(("lambda","cubic  meter"),1e-09);
factors.insert(("lambert","candela per square  meter"),3183.099);
factors.insert(("langley","joule per square  meter"),41840.0);
factors.insert(("league","mile (approx)"),3.0);
factors.insert(("leaguer","cubic  meter"),0.5773534);
factors.insert(("light-year","astronomical unit"),63239.7);
factors.insert(("light-year","mile"),5900000000000.0);
factors.insert(("light-year","kilometer"),9460730000000.0);
factors.insert(("ligne (buttons)","meter"),0.000635);
factors.insert(("line per square centimeter","gausse"),1.0);
factors.insert(("line per square inch","gause"),0.155);
factors.insert(("line per square inch","weber per square centimeter"),1.55e-09);
factors.insert(("line per square inch","weber per square inch"),1e-08);
factors.insert(("line per square inch","weber per square meter"),1.55e-05);
factors.insert(("link (engineer's)","inch"),12.0);
factors.insert(("link (surveyor's)","inch"),7.92);
factors.insert(("litre","bushel (US dry)"),0.02838);
factors.insert(("litre","cubic centimeter"),1000.0);
factors.insert(("litre","cubic foot"),0.03531);
factors.insert(("litre","cubic inch"),61.02);
factors.insert(("litre","cubic meter"),0.001);
factors.insert(("litre","cubic yard"),0.00131);
factors.insert(("litre","gallon (US liq)"),0.2642);
factors.insert(("litre","pint (US liq)"),2.113);
factors.insert(("litre","quart (US liq)"),1.057);
factors.insert(("litre per minch","cubic foot per sec"),0.000589);
factors.insert(("litre per minch","gal per sec"),0.0044);
factors.insert(("lumen (lm)","spherical candle power"),0.07958);
factors.insert(("lumen","watt"),0.001496);
factors.insert(("lumen per square foot","foot-candle"),1.0);
factors.insert(("lumen per square foot","lumen per square meter"),10.76);
factors.insert(("lumen per square foot","lux (lx)"),10.76391);
factors.insert(("lusec","pascal cubic  meter per sec"),0.0001333224);
factors.insert(("lux","foot-candle"),0.0929);
factors.insert(("maxwell","kiloline"),0.001);
factors.insert(("maxwell","weber"),1e-08);
factors.insert(("megaline","maxwell"),1000000.0);
factors.insert(("megohm","microhm"),1000000000000.0);
factors.insert(("megohm","ohm"),1000000.0);
factors.insert(("meter","centimeter"),100.0);
factors.insert(("meter (calc to foot  & ins)","foot"),3.281);
factors.insert(("meter","inch"),39.37);
factors.insert(("meter","kilometer"),0.001);
factors.insert(("meter","mile (nautical)"),0.00054);
factors.insert(("meter","mile (statute)"),0.000621);
factors.insert(("meter","millimeter"),1000.0);
factors.insert(("meter","yard"),1.094);
factors.insert(("meter per minch","cm per sec"),1.667);
factors.insert(("meter per minch","foot per minch"),3.281);
factors.insert(("meter per minch","foot per sec"),0.05468);
factors.insert(("meter per minch","km per hr"),0.06);
factors.insert(("meter per minch","knot"),0.03238);
factors.insert(("meter per minch","mile per hr"),0.03728);
factors.insert(("meter per sec","foot per minch"),196.8);
factors.insert(("meter per sec","foot per sec"),3.281);
factors.insert(("meter per sec","kilometer per hr"),3.6);
factors.insert(("meter per sec","kilometer per minch"),0.06);
factors.insert(("meter per sec","mile per hr"),2.237);
factors.insert(("meter per sec","mile per minch"),0.03728);
factors.insert(("meter per sec per sec","cm per sec per sec"),100.0);
factors.insert(("meter per sec per sec","foot per sec per sec"),3.281);
factors.insert(("meter per sec per sec","km per hr per sec"),3.6);
factors.insert(("meter per sec per sec","mile per hr per sec"),2.237);
factors.insert(("meter-kilogram","centimeter -dyne"),98100000.0);
factors.insert(("meter-kilogram","centimeter -gram"),100000.0);
factors.insert(("meter-kilogram","pound-foot"),7.233);
factors.insert(("microfarad","farad"),1e-06);
factors.insert(("microgram (see medical page)","gram"),1e-06);
factors.insert(("microhm","megohm"),1e-12);
factors.insert(("microhm","ohm"),1e-06);
factors.insert(("microlitre","litre"),1e-06);
factors.insert(("micron","meter"),1e-06);
factors.insert(("mile (nautical)","foot"),6080.27);
factors.insert(("mile (nautical)","kilometer"),1.852);
factors.insert(("mile (nautical)","meter"),1852.0);
factors.insert(("mile (nautical)","mile (statute)"),1.1516);
factors.insert(("mile (nautical)","yard"),2027.0);
factors.insert(("mile (statute)","centimeter"),161000.0);
factors.insert(("mile (statute)","foot"),5280.0);
factors.insert(("mile (statute)","inch"),63400.0);
factors.insert(("mile (statute)","kilometer"),1.609);
factors.insert(("mile (statute)","meter"),1609.0);
factors.insert(("mile (statute)","mile (nautical)"),0.8684);
factors.insert(("mile (statute)","yard"),1760.0);
factors.insert(("mile per hr","centimeter per sec"),44.7);
factors.insert(("mile per hr","foot per minch"),88.0);
factors.insert(("mile per hr","foot per sec"),1.467);
factors.insert(("mile per hr","km per hr"),1.609344);
factors.insert(("mile per hr","km per minch"),0.02682);
factors.insert(("mile per hr","knot"),0.8684);
factors.insert(("mile per hr","meter per minch"),26.82);
factors.insert(("mile per hr","mile per minch"),0.1667);
factors.insert(("mile per hr per sec","cm per sec per sec"),44.7);
factors.insert(("mile per hr per sec","foot per sec per sec"),1.467);
factors.insert(("mile per hr per sec","km per hr per sec"),1.609);
factors.insert(("mile per hr per sec","meter per sec per sec"),0.447);
factors.insert(("mile per minch","cm per sec"),2682.0);
factors.insert(("mile per minch","foot per sec"),88.0);
factors.insert(("mile per minch","km per minch"),1.609);
factors.insert(("mile per minch","knot per minch"),0.8684);
factors.insert(("mile per minch","mile per hr"),60.0);
factors.insert(("mil-foot","cubic inch"),9.43e-06);
factors.insert(("millier","kilogram"),1000.0);
factors.insert(("millmicron","meter"),1e-09);
factors.insert(("millibar","pascal"),100.0);
factors.insert(("millibar","inch of mercury"),0.0295299);
factors.insert(("milligram","grain"),0.01543236);
factors.insert(("milligram","gram"),0.001);
factors.insert(("milligram per litre","part per million"),1.0);
factors.insert(("millihenrie","henrie"),0.001);
factors.insert(("millilitre","litre"),0.001);
factors.insert(("millimeter","centimeter"),0.1);
factors.insert(("millimeter","foot"),0.00328);
factors.insert(("millimeter","inch"),0.03937);
factors.insert(("millimeter","kilometer"),1e-06);
factors.insert(("millimeter","meter"),0.001);
factors.insert(("millimeter","mile"),6.21e-07);
factors.insert(("millimeter","mil"),39.37);
factors.insert(("millimeter","yard"),0.00109);
factors.insert(("million gal per day","cubic foot per sec"),1.54723);
factors.insert(("mil","centimeter"),0.00254);
factors.insert(("mil","foot"),8.33e-05);
factors.insert(("mil","inch"),0.001);
factors.insert(("mil","millimeter"),0.0254);
factors.insert(("mil","yard"),2.78e-05);
factors.insert(("minim (British)( medical )","cubic centimeter"),0.059192);
factors.insert(("minim (US fluid)","cubic centimeter"),0.061612);
factors.insert(("minute (angles)","degree"),0.01667);
factors.insert(("minute (angles)","quadrant"),0.000185);
factors.insert(("minute (angles)","radian"),0.000291);
factors.insert(("minute (angles)","second"),60.0);
factors.insert(("morgen","square  meter"),8565.32);
factors.insert(("minute ( more time unit  )","second"),60.0);
factors.insert(("nautical mile (international)","meter"),1852.0);
factors.insert(("neper","decibel"),8.686);
factors.insert(("newton","dyne"),100000.0);
factors.insert(("newton","pound force (lbf)"),0.2248);
factors.insert(("oersted","ampere per meter"),79.57747);
factors.insert(("ohm (international)","ohm (absolute)"),1.0005);
factors.insert(("ohm","megohm"),1e-06);
factors.insert(("ohm","microhm"),1000000.0);
factors.insert(("ounce ( oz or ozs)","dram"),16.0);
factors.insert(("ounce ( mas )","grain"),437.5);
factors.insert(("ounce","gram"),28.349523);
factors.insert(("ounce","milligram"),28349.523);
factors.insert(("ounce","pound"),0.0625);
factors.insert(("ounce ( avoirdupoi )","ounce (troy)"),0.9115);
factors.insert(("ounce","ton (long)(UK)"),2.79e-05);
factors.insert(("ounce","tonne (metric)"),2.84e-05);
factors.insert(("ounce (fluid)","cubic inch"),1.805);
factors.insert(("ounce (fluid)","liter"),0.02957);
factors.insert(("ounce (troy)","grain"),480.0);
factors.insert(("ounce (troy)","gram"),31.103481);
factors.insert(("ounce (troy)","ounce (avoirdupois)"),1.09714);
factors.insert(("ounce (troy)","pennyweight (troy)"),20.0);
factors.insert(("ounce (troy)","pound (troy)"),0.08333);
factors.insert(("ounce per square inch","dyne per square centimeter"),4309.0);
factors.insert(("ounce per square inch","pound per square inch"),0.0625);
factors.insert(("oz or oz (short for ounce)","gram"),28.349523);
factors.insert(("parsec","mile"),19000000000000.0);
factors.insert(("parsec","kilometer"),30856780000000.0);
factors.insert(("ppm = part per million","grain per US gal"),0.058419);
factors.insert(("part per million","pound per million gal"),8.345);
factors.insert(("peck (British)","cubic inch"),554.6);
factors.insert(("peck (British)","litre"),9.091901);
factors.insert(("peck (US)","bushel"),0.25);
factors.insert(("peck (US)","cubic inch"),537.605);
factors.insert(("peck (US)","litre"),8.809768);
factors.insert(("peck (US)","quart (dry)"),8.0);
factors.insert(("pennyweight (troy)","grain"),24.0);
factors.insert(("pennyweight (troy)","ounce (troy)"),0.05);
factors.insert(("pennyweight (troy)","gram"),1.555174);
factors.insert(("pennyweight (troy)","pound (troy)"),0.00417);
factors.insert(("perch (area)","square  meter"),25.2929);
factors.insert(("perch (length)","meter"),5.0292);
factors.insert(("perm (0degC)","kilogram  per pascal sec square m"),5.72135e-11);
factors.insert(("perm inch (0degC)","kilogram  per pascal sec m"),1.45322e-12);
factors.insert(("phot","lux"),10000.0);
factors.insert(("pica (printing)","millimeter"),4.217518);
factors.insert(("pica (computer)","millimeter"),4.233333);
factors.insert(("pieze","pascal"),1000.0);
factors.insert(("pint (Brit) ( pts )","cubic centimeter"),568.26125);
factors.insert(("pint (Brit)","cubic inch"),34.67743);
factors.insert(("pint (Brit)","gallon (Brit)"),0.125);
factors.insert(("pint (Brit)","gill (Brit)"),4.0);
factors.insert(("pint (Brit)","litre"),0.56826125);
factors.insert(("pint (Brit)","millilitre"),568.26125);
factors.insert(("pint (Brit)","ounce (Brit fluid)"),20.0);
factors.insert(("pint (Brit)","pint (US dry)"),1.032057);
factors.insert(("pint (Brit)","pint (US liquid)"),1.20095);
factors.insert(("pint (US dry)","cubic centimeter"),550.6105);
factors.insert(("pint (US dry)","cubic inch"),33.6003125);
factors.insert(("pint (US dry)","litre"),0.5506105);
factors.insert(("pint (US dry)","millitre"),550.6105);
factors.insert(("pint (US dry)","peck (US)"),0.0625);
factors.insert(("pint (US dry)","pint (Brit dry)"),0.968939);
factors.insert(("pint (US dry)","quart (US dry)"),0.5);
factors.insert(("pint (US liquid)","cubic centimeter"),473.1765);
factors.insert(("pint (US liquid)","cubic foot"),0.01671);
factors.insert(("pint (US liquid)","cubic inch"),28.875);
factors.insert(("pint (US liquid)","cubic meter"),0.000473);
factors.insert(("pint (US liquid)","cubic yard"),0.000619);
factors.insert(("pint (US liquid)","gallon (US)"),0.125);
factors.insert(("pint (US liquid)","gill (US)"),4.0);
factors.insert(("pint (US liquid)","litre"),0.4731765);
factors.insert(("pint (US liquid)","millilitre"),473.1765);
factors.insert(("pint (US liquid)","ounce (US fluid)"),16.0);
factors.insert(("pint (US liquid)","pint (Brit liquid)"),0.8326742);
factors.insert(("pint (US liquid)","quart (liquid)"),0.5);
factors.insert(("Plank's quantum","erg-second"),6.62e-27);
factors.insert(("point (printing)","millimeter"),0.3514598);
factors.insert(("point (computer)","millimeter"),0.3527778);
factors.insert(("poise (P)","pascal sec"),0.1);
factors.insert(("poiseuille","pascal sec"),1.0);
factors.insert(("pole (area)","meter"),25.2929);
factors.insert(("pole (length)","meter"),5.0292);
factors.insert(("poundal","dyne"),13826.0);
factors.insert(("poundal","gram"),14.1);
factors.insert(("poundal","joule per centimeter"),0.00138);
factors.insert(("poundal","joule per meter (newtons)"),0.138255);
factors.insert(("poundal per square  foot","pascal (Pa)"),1.488164);
factors.insert(("poundal","kilogram"),0.0141);
factors.insert(("poundal","pound"),0.03108);
factors.insert(("pound ( lb )","dram"),256.0);
factors.insert(("pound","dyne"),445000.0);
factors.insert(("pound","grain"),7000.0);
factors.insert(("pound","gram"),453.5924);
factors.insert(("pound","joule per centimeter"),0.04448);
factors.insert(("pound","joule per meter (newtons)"),4.448);
factors.insert(("pound ( lb )","kilogram"),0.4536);
factors.insert(("pound","ounce"),16.0);
factors.insert(("pound","ounce (troy)"),14.5833);
factors.insert(("pound","poundal"),32.17);
factors.insert(("pound","pound (troy)"),1.21528);
factors.insert(("pound","stone (British)"),0.07142857);
factors.insert(("pound","ton (short)"),0.0005);
factors.insert(("pound (troy)","grain"),5760.0);
factors.insert(("pound (troy)","gram"),373.24177);
factors.insert(("pound (troy)","ounce (avoirdupois)"),13.1657);
factors.insert(("pound (troy)","ounce (troy)"),12.0);
factors.insert(("pound (troy)","pennyweight (troy)"),240.0);
factors.insert(("pound (troy)","pound (avoirdupois)"),0.822857);
factors.insert(("pound (troy)","ton (long)"),0.000367);
factors.insert(("pound (troy)","tonne (metric)"),0.000373);
factors.insert(("pound (troy)","ton (short)"),0.000411);
factors.insert(("pound of water","cubic foot"),0.01602);
factors.insert(("pound of water","cubic inch"),27.68);
factors.insert(("pound of water","gallon"),0.1198);
factors.insert(("pound of water per minch","cubic foot per sec"),0.000267);
factors.insert(("pound-foot","centimeter -dyne"),13600000.0);
factors.insert(("pound-foot","centimeter -gram"),13825.0);
factors.insert(("pound-foot","meter-kilogram s"),0.1383);
factors.insert(("pound force (lbf)","newton"),4.448);
factors.insert(("pound per cubic foot","gram per cubic centimeter"),0.01602);
factors.insert(("pound per cubic foot","kilogram per cubic meter"),16.02);
factors.insert(("pound per cubic foot","pound per cubic inch"),0.000579);
factors.insert(("pound per cubic foot","pound per mil-foot"),5.46e-09);
factors.insert(("pound per cubic inch","gm per cubic centimeter"),27.68);
factors.insert(("pound per cubic inch","kilogram per cubic meter"),27700.0);
factors.insert(("pound per cubic inch","pound per cubic foot"),1728.0);
factors.insert(("pound per cubic inch","pound per mil-foot"),9.43e-06);
factors.insert(("pound per foot","kilogram per meter"),1.488);
factors.insert(("pound per inch","gm per centimeter"),178.6);
factors.insert(("pound per mil-foot","gm per cubic centimeter"),2310000.0);
factors.insert(("pound per square foot","atmosphere"),0.000473);
factors.insert(("pound per square foot","foot of water"),0.01602);
factors.insert(("pound per square foot","inch of mercury"),0.01414);
factors.insert(("pound per square foot","kilogram per square meter"),4.882428);
factors.insert(("pound per square foot","pound per square inch"),0.00694);
factors.insert(("pound per square inch","atmosphere"),0.06804);
factors.insert(("pound per square inch","foot of water"),2.307);
factors.insert(("pound per square inch","inch of mercury"),2.036);
factors.insert(("pound per square inch (not pound force!)","kilogram per square meter"),703.0696);
factors.insert(("pound per square inch","pound per square foot"),144.0);
factors.insert(("pound per square inch","pascal (Pa)"),6894.757);
factors.insert(("psi (pounds-force per square inch )","kilopascal (kPa)"),6.894757);
factors.insert(("quad","joule"),1.055056e+18);
factors.insert(("quadrant (angle)","degree"),90.0);
factors.insert(("quadrant (angle)","minute"),5400.0);
factors.insert(("quadrant (angle)","radian"),1.571);
factors.insert(("quadrant (angle)","second"),324000.0);
factors.insert(("quarter (2 stone)","kilogram"),12.70059);
factors.insert(("quart (dry)","cubic inch"),67.2);
factors.insert(("quart (liquid)","cubic cm"),946.4);
factors.insert(("quart (liquid)","cubic foot"),0.03342);
factors.insert(("quart (liquid)","cubic inch"),57.75);
factors.insert(("quart (liquid)","cubic meter"),0.000946);
factors.insert(("quart (liquid)","cubic yard"),0.00124);
factors.insert(("quart (liquid)","gallon"),0.25);
factors.insert(("quart (liquid)","litre"),0.9463);
factors.insert(("quintal","kilogram"),100.0);
factors.insert(("rad (ionising radiation)","gray (Gy)(joule per kilogram )"),0.01);
factors.insert(("radian","degree"),57.29578);
factors.insert(("radian","minute"),3438.0);
factors.insert(("radian","second"),206000.0);
factors.insert(("radian per sec","degree per sec"),57.29578);
factors.insert(("radian per sec","revolution per minch"),9.549);
factors.insert(("radian per sec","revolution per sec"),0.1592);
factors.insert(("radian per sec per sec","revs per minch per minch"),572.9578);
factors.insert(("radian per sec per sec","revs per minch per sec"),9.549);
factors.insert(("radian per sec per sec","revs per sec per sec"),0.1592);
factors.insert(("réaumur","celsiu (oC)"),1.25);
factors.insert(("register ton (shipping)","cubic  meter"),2.831685);
factors.insert(("rem","sievert (Sv)"),0.01);
factors.insert(("revolution","degree"),360.0);
factors.insert(("revolution","quadrant"),4.0);
factors.insert(("revolution","radian"),6.283185);
factors.insert(("revolution per minch (rpm)","degree per sec"),6.0);
factors.insert(("revolution per minch","radian per sec"),0.1047198);
factors.insert(("revolution per minch","revs per sec"),0.01667);
factors.insert(("revolution per minch per minch","radian per sec per sec"),0.00175);
factors.insert(("revolution per minch per minch","rev per minch per minch"),0.01667);
factors.insert(("revolution per minch per minch","rev per sec per sec"),0.000278);
factors.insert(("revolution per sec","degree per sec"),360.0);
factors.insert(("revolution per sec","radian per sec"),6.283);
factors.insert(("revolution per sec","rev per minch"),60.0);
factors.insert(("revolution per sec per sec","radian per sec per sec"),6.283);
factors.insert(("revolution per sec per sec","rev per minch per minch"),3600.0);
factors.insert(("revolution per sec per sec","rev per minch per sec"),60.0);
factors.insert(("rhe","per pascal sec"),10.0);
factors.insert(("rod","chainch (Gunter's)"),0.25);
factors.insert(("rod","meter"),5.02921);
factors.insert(("rod (surveyor's meas)","yard"),5.5);
factors.insert(("rod","foot"),16.5);
factors.insert(("rontgen","coulomb per kilogram"),0.000258);
factors.insert(("rood (UK)","square  meter"),1011.715);
factors.insert(("scruple ( see medical page )","grain"),20.0);
factors.insert(("second (angle)","degree"),0.000278);
factors.insert(("second (angle)","minute"),0.01666667);
factors.insert(("second (angle)","quadrant"),3.09e-06);
factors.insert(("second (angle)","radian"),4.848137e-06);
factors.insert(("second (sidereal) (more time)","second (s)"),0.9972696);
factors.insert(("shake","nanosecond (ns)"),10.0);
factors.insert(("slug","kilogram"),14.5939);
factors.insert(("slug","pound"),32.17);
factors.insert(("slug per cubic foot","kilogram per cubic meter"),515.3788);
factors.insert(("slug per foot second","pascal second"),47.88026);
factors.insert(("span","inch"),9.0);
factors.insert(("sphere","steradian"),12.57);
factors.insert(("square centimeter","circular mil"),197000.0);
factors.insert(("square centimeter","square foot"),0.00108);
factors.insert(("square centimeter","square inch"),0.155);
factors.insert(("square centimeter","square meter"),0.0001);
factors.insert(("square centimeter","square mile"),3.86e-11);
factors.insert(("square centimeter","square millimeter"),100.0);
factors.insert(("square centimeter","square yard"),0.00012);
factors.insert(("square foot","acre"),2.3e-05);
factors.insert(("square foot","circular mil"),183000000.0);
factors.insert(("square foot","square cm"),929.0);
factors.insert(("square foot","square inch"),144.0);
factors.insert(("square foot","square meter"),0.09290304);
factors.insert(("square foot","square mile"),3.59e-08);
factors.insert(("square foot","square millimeter"),92900.0);
factors.insert(("square foot","square yard"),0.1111);
factors.insert(("square foot per hour","square m per second"),2.58064e-05);
factors.insert(("square foot per second","square m per second"),0.09290304);
factors.insert(("square inch","circular mil"),1270000.0);
factors.insert(("square inch","square centimeter"),6.452);
factors.insert(("square inch","square foot"),0.00694);
factors.insert(("square inch","square millimeter"),645.2);
factors.insert(("square inch","square mil"),1000000.0);
factors.insert(("square inch","square yard"),0.000772);
factors.insert(("square kilometer","acre"),247.1);
factors.insert(("square kilometer","square cm"),10000000000.0);
factors.insert(("square kilometer","square foot"),10800000.0);
factors.insert(("square kilometer","square inch"),1550000000.0);
factors.insert(("square kilometer","square meter"),1000000.0);
factors.insert(("square kilometer","square mile"),0.3861);
factors.insert(("square kilometer","square yard"),1200000.0);
factors.insert(("square meter","acre"),0.000247);
factors.insert(("square meter","square centimeter"),10000.0);
factors.insert(("square meter","square foot"),10.763915);
factors.insert(("square meter","square inch"),1550.0);
factors.insert(("square meter","square mile"),3.86e-07);
factors.insert(("square meter","square millimeter"),1000000.0);
factors.insert(("square meter","square yard"),1.196);
factors.insert(("square mile","acre"),640.0);
factors.insert(("square mile","square foot"),27900000.0);
factors.insert(("square mile","square km"),2.589988);
factors.insert(("square mile","square meter"),2589988.0);
factors.insert(("square mile","square yard"),3100000.0);
factors.insert(("square millimeter","circular mil"),1973.0);
factors.insert(("square millimeter","square cm"),0.01);
factors.insert(("square millimeter","square foot"),1.08e-05);
factors.insert(("square millimeter","square inch"),0.00155);
factors.insert(("square mil","circular mil"),1.273);
factors.insert(("square mil","square cm"),6.45e-06);
factors.insert(("square mil","square inch"),1e-06);
factors.insert(("square yard","acre"),0.000207);
factors.insert(("square yard","square cm"),8361.0);
factors.insert(("square yard","square foot"),9.0);
factors.insert(("square yard","square inch"),1296.0);
factors.insert(("square yard","square meter"),0.8361274);
factors.insert(("square yard","square mile"),3.23e-07);
factors.insert(("square yard","square millimeter"),836000.0);
factors.insert(("statampere","ampere"),3.335641e-10);
factors.insert(("statcoulomb","coulomb"),3.335641e-10);
factors.insert(("statfarad","farad"),1.112649e-12);
factors.insert(("stathenry","henry"),898755431000.0);
factors.insert(("statmho","siemen (S)"),1.112649e-12);
factors.insert(("statohm","ohm"),898755431000.0);
factors.insert(("statvolt","volt"),299.7925);
factors.insert(("stere","cubic  meter"),1.0);
factors.insert(("sthene","newton"),1000.0);
factors.insert(("stilb","candela per square  meter"),10000.0);
factors.insert(("stoke","meter square  per sec"),0.0001);
factors.insert(("stone (British) ( medical )","pound (avoirdupois)"),14.0);
factors.insert(("stone (British)","kilogram"),6.3502936);
factors.insert(("tablespoon (UK & metric)","millilitre"),15.0);
factors.insert(("tablespoon (US)","millilitre"),14.78676);
factors.insert(("teaspoon (UK & metric)","millilitre ( = cubic centimeter = cc)"),5.0);
factors.insert(("teaspoon (US)","cubic centimeter ( = cc )"),4.928922);
factors.insert(("therm (European)","joule"),105506000.0);
factors.insert(("therm (US)","joule"),105480400.0);
factors.insert(("thermie","joule"),4185500.0);
factors.insert(("thou (mil)","meter"),2.54e-05);
factors.insert(("ton (long)","kilogram"),1016.047);
factors.insert(("ton (long)","pound"),2240.0);
factors.insert(("ton (long)","ton (short)"),1.12);
factors.insert(("ton (tonne)(metric)","kilogram"),1000.0);
factors.insert(("ton (metric)","pound"),2205.0);
factors.insert(("ton (short)","ounce"),32000.0);
factors.insert(("ton (short)","kilogram"),907.1847);
factors.insert(("ton (short)","pound"),2000.0);
factors.insert(("ton (short)","pound (troy)"),2430.56);
factors.insert(("ton (short)","ton (long)"),0.89287);
factors.insert(("ton (short)","tonne (metric)"),0.9071847);
factors.insert(("ton (short) per square foot","kilogram per square meter"),9765.0);
factors.insert(("ton (short) per square foot","pound per square inch"),2000.0);
factors.insert(("ton of water per 24 hour","pound of water per hr"),83.333);
factors.insert(("ton of water per 24 hour","gallon per minch"),0.16643);
factors.insert(("ton of water per 24 hour","cubic foot per hr"),1.3349);
factors.insert(("ton refrigeration","btu per hour"),12000.0);
factors.insert(("ton refrigeration","kilocalorie per hour"),3024.117);
factors.insert(("ton refrigeration","watt"),3517.2);
factors.insert(("torr","pascal"),133.32237);
factors.insert(("unit pole","weber ( Wb )"),1.256637e-07);
factors.insert(("volt inch","volt per centimeter"),0.3937);
factors.insert(("volt (absolute)","statvolt"),0.003336);
factors.insert(("watt","Btu per hr"),3.4129);
factors.insert(("watt","Btu per minch"),0.05688);
factors.insert(("watt","erg per sec"),10000000.0);
factors.insert(("watt","foot-lb per minch"),44.27);
factors.insert(("watt","foot-lb per sec"),0.7378);
factors.insert(("watt","horsepower"),0.00134);
factors.insert(("watt","horsepower (metric)"),0.00136);
factors.insert(("watt","kilogram -calorie per minch"),0.01433);
factors.insert(("watt","kilowatt"),0.001);
factors.insert(("watt","ton refrigeration"),0.0002843);
factors.insert(("watt (absolute)","Btu (mean) per minch"),0.056884);
factors.insert(("watt (absolute)","joule per sec"),1.0);
factors.insert(("watt hour","joule"),3600.0);
factors.insert(("watt-hour","Btu"),3.413);
factors.insert(("watt-hour","erg"),36000000000.0);
factors.insert(("watt-hour","foot-pound"),2656.0);
factors.insert(("watt-hour","gram-calorie"),859.85);
factors.insert(("watt-hour","horsepower-hour"),0.00134);
factors.insert(("watt-hour","kilogram-calorie"),0.8605);
factors.insert(("watt-hour","kiloram-meter"),367.2);
factors.insert(("watt-hour","kilowatt-hour"),0.001);
factors.insert(("watt (international)","watt (absolute)"),1.0002);
factors.insert(("weber","maxwell"),100000000.0);
factors.insert(("weber","kiloline"),100000.0);
factors.insert(("weber per square inch","gausse"),15500000.0);
factors.insert(("weber per square inch","line per square inch"),100000000.0);
factors.insert(("weber per square inch","weber per square centimeter"),0.155);
factors.insert(("weber per square inch","weber per square meter"),1550.0);
factors.insert(("weber per square meter","gausse"),10000.0);
factors.insert(("weber per square meter","line per square inch"),64500.0);
factors.insert(("weber per square meter","weber per square centimeter"),0.0001);
factors.insert(("weber per square meter","weber per square inch"),0.000645);
factors.insert(("week","day"),7.0);
factors.insert(("week","hour"),168.0);
factors.insert(("week","minute (time)"),10080.0);
factors.insert(("week","month"),0.2299795);
factors.insert(("week","second"),605000.0);
factors.insert(("yard","centimeter"),91.44);
factors.insert(("yard","fathom"),0.5);
factors.insert(("yard","foot"),3.0);
factors.insert(("yard","inch"),36.0);
factors.insert(("yard","kilometer"),0.000914);
factors.insert(("yard","meter"),0.9144);
factors.insert(("yard","mile (nautical)"),0.000493);
factors.insert(("yard","mile (statute)"),0.000568);
factors.insert(("yard","millimeter"),914.4);
factors.insert(("year (mean of 4 year period)","day ( more on time )"),365.25);
factors.insert(("year (mean of 4 year period)","hour"),8766.0);
factors.insert(("year (mean of 4 year period)","minute (time)"),526000.0);
factors.insert(("year (mean of 4 year period)","second (time)"),31558150.0);
factors.insert(("year (mean of 4 year period)","week"),52.17857);