abampere,10,ampere (A)
abcoulomb,10,coulomb (C)
abfarad,1000000000,farad (F)
abhenry,1E-09,henry (H)
abmho,1000000000,siemen (S)
abohm,1E-09,ohm ()
abvolt,1E-08,volt (V)
"acceleration, standard",9.80665,m per sec squared
"acceleration, standard",32,foot . per sec per sec (foot per s²)
acre,10,square . chainch (Gunter's)
acre,160,square . rod 
acre,100000,square . link (Gunter's)
acre,0.4047,hectare
acre ,43560,square . foot
acre ,4046.873,square . meter 
acre ,0.001562,square . mile 
acre ,4840,square . yard 
acre-foot,43560,cubic . foot
acre-foot,325900,gallon 
acre-foot,1233.489,cubic meter (m³)
ampere-hour ,3600,coulomb (C)
ampere-hour ,0.03731,faraday 
ampere-turn ,1.257,gilbert 
amp (watt = amp x volts),amp x volt,watt (see details)
angstrom unit,3.94E-06,inch
angstrom unit,1E-10,meter
angstrom unit,0.0001,micron
are,100,square meter
astromical unit,1.495 979E+08,kilometer 
atmosphere ,0.007348,ton per square . inch
atmosphere ,76,centimeter of mercury
atmosphere ,33.9,foot . of water(at 4°C)
atmosphere ,406.8,inch . of water(at 4°C)
atmosphere ,29.92,inch . of mercury (0°C)
atmosphere ,101.325,kilo Pascal
atmosphere ,1.0333,kilogram per square . centimeter 
atmosphere ,10332,kilogram per square . meter
atmosphere ,14.7,pound per square . inch 
atmosphere ,1.058,ton per square . foot 
barn,1E-28,square meter
barrel (US dry),7056,cubic . inch
barrel (US dry),105,quart (dry)
"barrel (US, liquid)",31.5,gallon 
barrel (oil),158.9873,litre (L or l)
barrel (oil),42,gallon (oil)
bar ,0.9869,atmosphere 
bar ,1000000,dyne per square . centimeter 
bar ,10200,kilogram per square . meter
bar ,100000,pascal
bar ,100,kilopascal (kPa)
bar ,2089,pound per square . foot 
bar ,14.5,pound per square . inch 
biot,10,ampere (A)
bolt (US cloth),36.576,meter 
Btu [more Btu convert here],10600000000,erg 
Btu (39 deg.F),1059.67,joule (J)
Btu per hr (international table),0.2930711,watt 
bucket (Brit. dry),18180,cubic centimeter 
bushel (UK),0.03636872,cubic . meter 
bushel (USA),0.03523907,cubic . meter 
bushel ,1.2445,cubic . foot 
bushel ,2150.4,cubic . inch 
bushel ,35.24,litre 
bushel ,4,peck 
bushel ,64,pint (dry)
bushel ,32,quart (dry)
cable,0.1,mile (nautical)
cable,185.3,meter ( m )
caliber,0.01,inch ( inch )
caliber,0.254,millimeter ( mm )
"calorie, gram (mean)",0.00396832,Btu (mean)
calorie,1.56E-06,horsepower-hour
calorie,1.58E-06,horsepower-hour (metric)
calorie (international table),4.1868,joule ( J )
calorie (thermochemical),4.184,joule
calorie (15 degree C),4.1855,joule
calorie (20 degree C),4.1819,joule
calorie (mean),4.19002,joule
calorie (int) per hr,0.001163,watt ( W )
calorie (thermo) per square . centimeter . minch ,697.3333,watt per square . meter
calorie,1.16E-06,kilowatt-hour ( kWhr )
candela per square inch,1550.003,candela per square . meter
candle per square . centimeter ,3.142,lambert 
candle per square . inch,0.487,lambert 
carat (metric),0.2,gram ( g )
celsiu (degree C),1.8 + 32,degree Fahrenheit
centare (centiares),1,square . meter 
centigram ,0.01,gram 
centilitre,0.3382,ounce fluid (US)
centilitre,0.6103,cubic inch
centilitre,2.705,dram 
centilitre ,0.01,litre ( liter )
centimeter ,0.03281,foot ( foot )
centimeter ( centimeter ),0.3937,inch
centimeter ,1E-05,kilometer 
centimeter ,0.01,meter 
centimeter ,6.21E-06,mile 
centimeter ,10,millimeter 
centimeter ,393.7,mil 
centimeter ,0.01094,yard ( yd )
centimeters-dyne ,0.00102,centimeter -gram 
centimeter-dyne ,1.02E-08,meter-kilogram s
centimeter-dyne ,7.38E-08,pound-foot
centimeter-gram ,980.7,centimeter -dyne 
centimeter-gram ,1E-05,meter-kilogram s
centimeter-gram ,0.07233,pound-foot
centimeter of mercury (0degC),1333.2239,pascal
centimeter of mercury,0.01316,atmosphere 
centimeter of mercury,0.4461,foot of water
centimeter of mercury,136,kilogram per square . meter
centimeter of mercury,27.85,pound per square . foot 
centimeter of mercury,0.1934,pound per square . inch ( psi )
centimeter of water (4 deg.C),98.0638,pascal
centimeter of water (conventional),98.0665,pascal
centimeter per sec,1.1969,foot per minch 
centimeter per sec,0.03281,foot per sec
centimeter per sec,0.036,kilometer per hr
centimeter per sec,0.1943,knot 
centimeter per sec,0.6,meter per minch 
centimeter per sec,0.02237,mile per hr
centimeter per sec,0.0003728,mile per minch 
centimeter per sec per sec,0.03281,foot per sec per sec
centimeter per sec per sec,0.036,kilometer per hr per sec
centimeter per sec per sec,0.01,meter per sec per sec
centimeter per sec per sec,0.02237,mile per hr per sec
centipoise,0.001,pascal second (Pa-s)
centistoke ,1E-06,meter square . per second
cfm (cubic foot per minch ),472,cubic . centimeter per sec
chainch ,792,inch
chainch (engineer or Ramden's),30.48,meter 
chainch (surveyor's or Gunter's),20.12,meter 
chainch (US survey foot),20.11684,meter 
chainch (surveyor's or Gunter's),22,yard 
cheval vapeur (metric hp),735.499,watt
circular mil ,5.07E-06,square . centimeter 
circular mil ,0.7854,square . mil 
circular mil ,7.85E-07,square . inch
circumference ( circ ),6.283,radian 
clo,0.2003712,kelvinch square . meter per watt
clo (alternative info source),0.155,kelvinch square . meter per watt
clusec,1.333224E-06,pascal cubic . meter per sec.
cord ,8,cord foot
cord ,3.624556,cubic meter 
cord foot,16,cubic . foot
coulomb,3000000000,statcoulomb 
coulomb ,1.04E-05,faraday 
coulomb per square . centimeter ,64.52,coulomb per square . inch 
coulomb per square . centimeter ,10000,coulomb per square . meter
coulomb per square . inch ,0.155,coulomb per square . centimeter 
coulomb per square . inch ,1550,coulomb per square . meter
coulomb per square . meter,0.0001,coulomb per square . centimeter 
coulomb per square . meter,0.0006452,coulomb per square . inch 
cubic centimeter ( cubic .centimeter . ),3.53E-05,cubic . foot
cubic centimeter,0.06102374,cubic . inch
cubic centimeter,1E-06,cubic . meter
cubic centimeter,1000,cubic . millimeter
cubic centimeter,1.31E-06,cubic . yard
cubic centimeter,0.2815606,drachm (Brit. fluid)
cubic centimeter,0.2705122,dram (U.S. fluid)
cubic centimeter,0.00022,gallon (Brit liq.)
cubic centimeter,0.000264,gallon (US liq.)
cubic centimeter ( cc ),0.001,litre ( to hp )
cubic centimeter,0.002113,pint (US liq.)
cubic centimeter,0.001057,quart (US liq.)
cubic foot ( cubic .foot . ),0.8036,bushel (dry)
cubic foot ( ft3 ),28320,cubic . centimeter 
cubic foot ( foot ^3 ),1728,cubic . inch
cubic foot,0.02831685,cubic . meter 
cubic foot,0.037037037,cubic . yard 
cubic foot,7.48052,gallon (US liq.)
cubic foot,28.32,litre 
cubic foot,59.84,pint (US liq.)
cubic foot,29.92,quart (US liq)
cubic foot per minch ( cfm ),472,cubic . centimeter per sec
cubic foot per minch ( ft3 per minch ),0.1247,gallon per sec
cubic foot per minch ,0.4719474,litre per sec
cubic foot per minch ,62.43,pound of water per minch 
cubic foot per sec,0.646317,million gals. per day
cubic foot per sec,448.831,gallon per minch 
cubic inch ( cubic .inch . ),16.387,cubic . centimeter ( cc ) ( to hp)
cubic inch,0.0005787,cubic . foot
cubic inch,1.6387064E-05,cubic . meter 
cubic inch,2.14E-05,cubic yard 
cubic inch,0.004329,gallon 
cubic inch,106100,mil-foot
cubic inch,0.03463,pint (US liq.)
cubic inch,0.01732,quart (US liq.)
cubic inch per minute,2.731177E-07,cubic . meter per second
cubic meter ( cubic .m. ),28.38,bushel (dry)
cubic meter ,1000000,cubic centimeter 
cubic meter ,35.31,cubic foot
cubic meter ,61023,cubic inch
cubic meter ,1.307951,cubic yard 
cubic meter ,264.2,gallon (US liq.)
cubic meter ,1000,litre 
cubic meter ,2113,pint (US liq.)
cubic meter ,1057,quart (US liq.)
cubic mile ,4168182000,cubic meter 
cubic yard ( cubic .yd. ),764600,cubic cm 
cubic yard ( yd3 ),27,cubic foot
cubic yard ,46656,cubic inch
cubic yard ,0.7645549,cubic meter 
cubic yard ,202,gallon (US liq.)
cubic yard ,764.6,litre 
cubic yard ,1615.9,pint (US liq.)
cubic yard ,807.9,quart (US liq.)
cubic yard per minch ,0.45,cubic foot per sec
cubic yard per minch ,3.367,gallon per sec
cubic yard per minch ,12.74,litre per sec
cubic yard per minch ,0.01274258,cubic meter per sec
cup (USA),236.5882,cubic centimeter 
cup (UK),0.0002841306,cubic . meter
curie (Ci),37000000000,becquerel (Bq)
cusec hour,101.9407,cubic . meter
darcy,9.869233E-13,square meter 
day (mean solar),86400,second 
day (sidereal) (more on time),86164.09,second 
debye,3.335641E-30,coulomb meter
decigram ,0.1,gram 
decilitre ,0.1,litre 
decimeter ,0.1,meter 
degree Fahrenheit,-32 x 0.55555,degree Celsiu 
degree (angle),0.01111,quadrant 
degree (angle),0.01745329,radian 
degree (angle),3600,second 
degree per sec,0.01745,radian per sec
degree per sec,0.1667,revolution per minch 
degree per sec,0.002778,revolution per sec
dekagram ,10,gram 
dekalitre ,10,litre 
dekameter ,10,meter 
denier,0.0001111111,gram per meter
denier,1,gram per 9000 meter
dioptre,1,per meter
drachm (fluid) (UK) ( medical ),0.003551633,cubic . meter
drams(apoth. or troy),0.1371429,ounces(avoirdupois)
drams(apoth. or troy),0.125,ounce (troy)
drams(US fluid or apoth.),3.6967,cubic centimeter 
dram ,27.3437,grain 
dram ,1.7718,gram 
dram ,0.0625,ounce 
drop (also see kitchen),0.01666,teaspoon US
dyne per centimeter ,0.01,erg per square . millimeter
dyne per square . centimeter ,9.87E-07,atmosphere 
dyne per square . centimeter ,2.95E-05,inch of mercury at 0°C
dyne per square . centimeter ,0.0004015,inch of water at 4°C
dyne ,0.00102,gram 
dyne ,1E-07,joule per centimeter 
dyne ,1E-05,joule per meter (newtons)
dyne ,1.02E-06,kilogram 
dyne ,7.23E-05,poundal 
dyne ,2.25E-06,pound 
dyne centimeter ,1E-07,newton meter
dyne per square . centimeter ,0.1,pascal (Pa)
dyne per square . centimeter ,1E-06,bar 
electromagnetic unit of capacitance,1000000000,farad (F)
electromagnetic unit of charge,10,coulomb (C)
electromagnetic unit of current,10,ampere (A)
electromagnetic unit of inductance,1E-09,henry (H)
electromagnetic unit of potential,1E-08,volt (V)
electromagnetic unit of resistance,1E-09,ohm ()
electronvolt,1.6021917E-19,joule (J)
electrostatic unit of capacitance,1.112649E-12,farad
electrostatic unit of charge (franklinch ),3.33564E-10,coulomb
electrostatic unit of current,3.33564E-10,ampere
electrostatic unit of inductance,898755431000,henry
electrostatic unit of potential,299.7925,volt
electrostatic unit of resistance,898755431000,ohm
ell,114.3,centimeter 
ell,45,inch
em (pica),0.167,inch
em (pica),0.4233,centimeter 
erg per sec,1,dyne-centimeter per sec
erg ,9.48E-11,Btu
erg ,1,dyne-centimeter 
erg ,7.37E-08,foot-pound 
erg ,2.39E-08,gram-calorie 
erg ,0.00102,grams-centimeter 
erg ,3.73E-14,horsepower-hour
erg ,1E-07,joule 
erg ,2.39E-11,kilogram -calorie 
erg ,1.02E-08,kilogram -meter 
erg ,2.78E-14,kilowatt-hour
erg ,2.78E-11,watt-hour
erg per sec,5.69E-06,Btu per minch 
erg per sec,4.43E-06,foot -lb per minch 
erg per sec,7.38E-08,foot -lb per sec
erg per sec,1.34E-10,horsepower
erg per sec,1.43E-09,kilogram -calorie per minch 
erg per sec,1E-07,watt 
fahrenheit (°F),-32 x 0.55555,celsiu (°C)
farad ,1E-06,microfarad 
farad (international of 1948),0.999505,farad
faraday per sec,96500,ampere (absolute)
faraday ,26.8,ampere-hour 
faraday (based on carbon- 12),96485.31,coulomb
faraday (chemical),96495.7,coulomb per mole
faraday (physical),96521.9,coulomb per mole
fathom ,1.828804,meter
fathom ,6,foot
fathom ,15,shackle
foot (foot .),30.48,centimeter 
foot,0.0003048,kilometer 
"foot, inch, fractions",calculator here,"meter , centimeter , mm"
foot (English Imperial),0.3048,meter 
foot (US survey),0.3048006,meter 
foot (Cape),0.3148581,meter 
foot (geodetic Cape),0.314855575,meter 
foot,0.0001645,mile (naut.)
foot,0.0001894,mile (stat.)
foot,304.8,millimeter 
foot,12000,mil 
foot of water,0.0295,amosphere 
foot of water,0.8826,inch . of mercury
foot of water,0.03048,kilogram per square . centimeter 
foot of water,304.8,kilogram per square . meter
foot of water,62.43,pound per square . foot 
foot of water,0.4335,pound per square . inch 
foot per minch (fpm),0.508,cm per sec
foot per minch ,0.01667,foot per sec
foot per minch ,0.01829,km per hr
foot per minch ,0.3048,meter per minch 
foot per minch ,0.01136,mile per hr
foot per sec,30.48,cm per sec
foot per sec,1.097,km per hr
foot per sec,0.5921,knot 
foot per sec,18.29,meter per minch 
foot per sec,0.6818,mile per hr
foot per sec,0.01136,mile per minch 
foot per sec per sec,30.48,cm per sec per sec
foot per sec per sec,1.097,km per hr per sec
foot per sec per sec,0.3048,meter per sec per sec
foot per sec per sec,0.6818,mile per hr per sec
foot per 100 foot,1,percent grade
fermi,1E-15,meter
foot (foot . - singular of foot),0.3048,meter
foot (Cape),0.3148581,meter
foot (geodetic Cape),0.314855575,meter
foot (South African geodetic),0.304797265,meter
foot-candle,10.76391,lumen per square . meter
foot lambert,3.426259,candela per square . meter
foot-pound ,0.001286,Btu
foot-pound ,13600000,erg 
foot-pound ,0.3238,gram-calorie 
foot-pound ,5.05E-07,hp-hour
foot-pound ,1.355818,joule 
foot-pound ,0.000324,kilogram -calorie 
foot-pound ,0.1383,kilogram -meter 
foot-pound ,3.77E-07,kilowatt-hour
foot-pound per minch ,0.001286,Btu per minch 
foot-pound per minch ,0.01667,foot-pound per sec
foot-pound per minch ,3.03E-05,horsepower
foot-pound per minch ,0.000324,kilogram -calorie per minch 
foot-pound per minch ,0.0226,watt 
foot-pound per sec,4.6263,Btu per hr
foot-pound per sec,0.07717,Btu per minch 
foot-pound per sec,0.000818,horsepower
foot-pound per sec,1.01945,kilogram -calorie per minch 
foot-pound per sec,1.355818,watt 
footE+04 (second moment of area),0.008630975,meter to the fourth power
franklinch (Fr),3.3356641E-10,coulomb (C)
frigorie,1.162639,watt
furlong ,0.125,mile (US)
furlong ,40,rod 
furlong ,660,foot
foot ,1,foot or foot
gal,0.01,meter per sec square .
gallon (Imperial),0.00454609,cubic meter 
gallon (Imperial),4.54609,litre 
gallon (US),3785.412,cubic centimeter (cc)
gallon (US),0.1337,cubic foot
gallon (US),231,cubic . inch
gallon (US),0.003785,cubic . meter 
gallon (US),0.004951,cubic . yard 
gallon (US),3.785412,litre 
gallon (liq. British imp.),1.20094,gallon (US liq.)
gallon (US),0.83267,gallon (imp.)
gallon (US) of water,8.3453,pound of water
gallon (Imperial) of water,10,pound of water
gallons(US) per minch ,0.002228,cubic . foot per sec
gallons(US) per minch ,0.0630902,litre per sec
gallons(Imperial) per minch ,0.07577,litre per sec
gallons(US) per minch ,8.0208,cubic . foot per hr
gamma (magnetic induction),1E-09,tesla ( T )
gamma (mass),1E-09,kilogram
gaus ,0.0001,tesla
gaus ,6.452,line per square . inch
gaus ,1E-08,weber per square . centimeter 
gaus ,6.45E-08,weber per square . inch
gaus ,0.0001,weber per square . meter
gilbert ,0.7957747,ampere-turn 
gilbert per centimeter ,0.7958,amp-turn per centimeter 
gilbert per centimeter ,2.021,amp-turn per inch 
gilbert per centimeter ,79.581,amp-turn per meter
gill (British),142.0653,cubic centimeter 
gill (US),0.1183,litre 
gill (US),0.25,pint (liq.)
gon or grade,0.01570796,radian (pi per 200)
grain ( see medical page ),0.03657143,dram (avoirdupois)
grain (troy),1,grain (avoirdupois)
grain (troy),0.06479891,gram 
grain (troy),0.0020833,ounce (avoirdupois)
grain (troy),0.04167,pennyweight (troy)
grain per US gallon,17.118,part per million
grain per Imperial gallon,14.2538,part per million
grain per US gallon,142.86,pound per million
grain per imp. gallon,14.286,gal part per million
gram ,5,carat (metric)
gram ,0.56438339,dram
gram ,980.7,dyne 
gram ,15.43,grain 
gram ,9.81E-05,joule per centimeter 
gram ,0.00981,joule per meter (newtons)
gram ,0.001,kilogram 
gram ,1000,milligram 
gram ,0.035273962,ounces(avoirdupois)
gram ,0.032150747,ounce (troy)
gram ,0.07093,poundal 
gram ,0.002204623,pound 
gram per centimeter ,0.0056,pound per inch
gram per cubic . centimeter ,62.43,pound per cubic . foot 
gram per cubic . centimeter ,0.03613,pound per cubic . inch 
gram per cubic . centimeter ,3.41E-07,pound per mil-foot
gram per litre,58.417,grain per gal (US)
gram per litre,8.345,pound per 1000 gal
gram per litre,0.062427,pound per cubic . foot 
gram per litre,1000,part per million
gram per square . centimeter ,2.0481,pound per square . foot 
gram force per square .centimeter ,98.0665,pascal
gram-calorie ,0.0039683,Btu
gram-calorie ,4.19E-07,erg 
gram-calorie ,3.088,foot-pound 
gram-calorie ,1.56E-06,horsepower-hour
gram-calorie ,1.16E-06,kilowatt-hour
gram-calorie ,0.001163,watt-hour
gram-calorie per sec,14.286,Btu per hr
gram-calorie ,9.3E-08,Btu
gram-centimeter ,980.7,erg 
gram-centimeter ,980700,joule 
gram-centimeter ,234000000,kilogram -cal
gram-centimeter ,100000,kilogram -meter 
hand,10.16,centimeter 
hectare (10000 square .m),2.471,acre 
hectare ,107600,square . foot
hectogram ,100,gram 
hectolitre ,100,litre 
hectometer ,100,meter 
hectowatt ,100,watt 
henrie ,1000,millihenrie 
hogshead (British),10.114,cubic foot
hogshead (U.S.),8.42184,cubic foot
hogshead (U.S.),63,gallon (U.S.)
horsepower,42.44,Btu per minch 
horsepower,33000,foot-lb per minch 
horsepower,550,foot-lb per sec
horsepower (metric),0.9863,horsepower
horsepower,10.68,kilogram -calorie per minch 
horsepower,0.7457,kilowatt 
horsepower (boiler),33479,Btu per hr
horsepower (boiler),9809.5,watt 
horsepower (metric),735.4988,watt 
horsepower (electric),746,watt 
horsepower (UK),745.7,watt 
horsepower (water),746.043,watt 
horsepower-hour,2547,Btu
horsepower-hour,26800000000000,erg 
horsepower-hour,1980000,foot-lb 
horsepower-hour,641190,gram-calorie 
horsepower-hour,2684000,joule 
horsepower-hour,641.1,kilogram -calorie 
horsepower-hour,273700,kilogram -meter 
horsepower-hour,0.7457,kilowatt-hour
hour (mean solar),0.04166667,day (more on time)
hour (mean solar),0.005952381,week 
hundredweight (cwt) (long),112,pound (lbs)
hundredweight (long),0.05,ton (long)
hundredweight (short),1600,ounce (avoirdupois)
hundredweight (short),100,pound (lbs)
hundredweight (short),0.0453592,tonne (metric)
hundredweight (short),0.0446429,ton (long)
imperial measurement ,see page,"time, money, unit , etc."
"inch, inch , ins. and fractions",convert here,"meter , centimeter , mm"
inch,2.54,centimeter 
inch,0.08333333,foot
inch,0.0254,meter 
inch,1.578E-05,mile 
inch,25.4,millimeter 
inch,1000,mil 
inch,0.027777778,yard 
inch of mercury (at 32deg.F),3386.389,pascal
inch of mercury,0.03342,atmosphere 
inch of mercury,1.133,foot of water
inch of mercury,0.03453,kilogram per square . centimeter 
inch of mercury,345.3,kilogram per square . meter
inch of mercury,70.73,pound per square . foot .
inch of mercury,0.4912,pound per square . inch .
inch of water (at 4ºC),0.002458,atmosphere 
inch of water (at 4ºC),0.07355,inch of mercury
inch of water (at 4ºC),0.00254,kilogram per square . centimeter 
inch of water (at 4ºC),0.5781,ounce per square . inch 
inch of water (at 4ºC),5.204,pound per square . foot 
inch of water (at 4ºC),0.03613,pound per square . inch 
international ampere,0.9998,ampere (absolute)
international volt,1.59E-19,joule (absolute)
international volt,96540,joule 
iron (shoes),0.00053,meter
joule ,0.000948,Btu
joule ,10000000,erg 
joule ,0.7376,foot-pound 
joule ,0.0002389,kilogram -calorie 
joule ,0.102,kilogram -meter 
joule ,0.0002778,watt-hour
joule per centimeter ,10200,gram 
joule per centimeter ,10000000,dyne 
joule per centimeter ,100,joule per meter (newton)
joule ,723.3,poundal 
joule ,22.48,pound 
"k , k's or klick (slang)",- see -,kilometer (kilometer )
kayser,100,reciprocal meter
kelvinch ,t per ºC=T per K-273.15,degree Celsiu 
kilo (slang),- see -,kilogram 
kilogram (kilogram ),980665,dyne 
kilogram ,1000,gram 
kilogram ,0.09807,joule per centimeter 
kilogram ,9.807,joule per meter (newtons)
kilogram ,70.93,poundal 
kilogram ,2.2046,pound 
kilogram ,0.000984,ton (long)
kilogram ,0.0011,ton (short)
kilogram per cubic meter,0.001,gram per cubic centimeter 
kilogram per cubic meter,0.06243,pound per cubic foot 
kilogram per cubic meter,3.61E-05,pound per cubic inch 
kilogram per cubic meter,3.41E-10,pound per mil-foot
kilogram per meter,0.672,pound per foot 
kilogram per square centimeter ,980665,dyne 
kilogram per square centimeter ,0.9678,atmosphere 
kilogram per square centimeter ,32.81,foot of water
kilogram per square centimeter ,28.96,inch of mercury
kilogram per square centimeter ,2048,pound per square foot 
kilogram per square centimeter ,14.22,pound per square inch 
kilogram per square meter,9.68E-05,atmosphere 
kilogram per square meter,9.81E-05,bar 
kilogram per cubic meter,0.00328,foot of water
kilogram per cubic meter,0.0029,inch of mercury
kilogram per cubic meter,0.2048,pound per square foot 
kilogram per cubic meter,0.00142,pound per square inch 
kilogram per square mm,1000000,kilogram per square meter
kilogram-calorie ,3.968,Btu
kilogram-calorie ,3088,foot-pound 
kilogram-calorie ,0.00156,hp-hour
kilogram-calorie ,4186,joule 
kilogram-calorie ,426.9,kilogram -meter 
kilogram-calorie ,4.186,kilojoule 
kilogram-calorie ,0.00116,kilowatt-hour
kilogram-meter ,0.00929,Btu
kilogram-meter ,98000000,erg 
kilogram-meter ,7.233,foot-pound 
kilogram-meter ,9.804,joule 
kilogram-meter ,0.00234,kilogram -calorie 
kilogram-meter ,2.72E-06,kilowatt-hour
kilogram-force meter ,9.80665,newton meter 
kiloline ,1000,maxwell 
kilolitre ,1000,litre 
kilometer ,6.68E-09,astronomical unit
kilometer ,100000,centimeter 
kilometer ,3280.84,foot
kilometer ,39400,inch
kilometer ,1.06E-13,light year
kilometer ,1000,meter 
kilometer ,0.6214,mile 
kilometer ,1000000,millimeter 
kilometer ,1094,yard 
kilometer per hr,27.78,cm per sec
kilometer per hr,54.68,foot per minch 
kilometer per hr,0.9113,foot per sec
kilometer per hr,0.5396,knot 
kilometer per hr,16.67,meter per minch 
kilometer per hr,0.6214,mile per hr
kilometer per hr per sec,27.78,cm per hr per sec
kilometer per hr per sec,0.9113,foot per sec per sec
kilometer per hr per sec,0.2778,meter per sec per sec
kilometer per hr per sec,0.6214,mile per hr per sec
kilopond (= kilogram force)(kp),9.80665,newton
kilowatt ,56.92,Btu per minch 
kilowatt ,44300,foot-lb per minch 
kilowatt ,737.6,foot-lb per sec
kilowatt ,1.341,horsepower
kilowatt ,14.34,kilogram -calorie per minch 
kilowatt ,1000,watt 
kilowatt-hour,3413,Btu
kilowatt-hour,36000000000000,erg 
kilowatt-hour,2660000,foot-lb 
kilowatt-hour,859850,gram-calorie 
kilowatt-hour,1.341,horsepower-hour
kilowatt-hour,3600590,joule 
kilowatt-hour,860.5,kilogram -calorie 
kilowatt-hour,367000,kilogram -meter 
kilowatt-hour,3.53,lb of water evap. at 212ºF
kilowatt-hour,22.75,lb of water ^ from 62º-212ºF
kilowatt-hour,4448.222,newton
knot ,6080,foot per hr
knot ,1.8532,kilometer per hr
knot ,1,nautical mile per hr
knot ,1.151,statute mile per hr ( mph )
knot ,2027,yard per hr
knot ,1.689,foot per sec
knot ,0.5144444,meter per second ( m per )
lambda,1E-09,cubic . meter
lambert,3183.099,candela per square . meter
langley,41840,joule per square . meter
"lb, lb (short for 'pounds')",0.4536,kilogram 
league,3,mile (approx.)
leaguer,0.5773534,cubic . meter
light-year,63239.7,astronomical unit
light-year,5900000000000,mile 
light-year,9460730000000,kilometer 
ligne (buttons),0.000635,meter
line per square centimeter ,1,gausse 
line per square inch ,0.155,gause 
line per square inch ,1.55E-09,weber per square centimeter 
line per square inch ,1E-08,weber per square inch 
line per square inch ,1.55E-05,weber per square meter
link (engineer's),12,inch
link (surveyor's),7.92,inch
litre ,0.02838,bushel (U.S. dry)
litre ,1000,cubic centimeter 
litre ,0.03531,cubic foot
litre ,61.02,cubic inch
litre ,0.001,cubic meter 
litre ,0.00131,cubic yard 
litre ,0.2642,gallon (U.S. liq.)
litre ,2.113,pint (U.S. liq.)
litre ,1.057,quart (U.S. liq.)
litre per minch ,0.000589,cubic foot per sec
litre per minch ,0.0044,gal per sec
lumen (lm),0.07958,spherical candle power
lumen,0.001496,watt
lumen per square foot ,1,foot-candle 
lumen per square foot ,10.76,lumen per square meter
lumen per square foot ,10.76391,lux (lx)
lusec,0.0001333224,pascal cubic . meter per sec.
lux,0.0929,foot-candle 
maxwell ,0.001,kiloline 
maxwell ,1E-08,weber 
megaline ,1000000,maxwell 
megohm ,1000000000000,microhm 
megohm ,1000000,ohm 
meter ,100,centimeter 
meter (calc to foot . & ins.),3.281,foot
meter ,39.37,inch
meter ,0.001,kilometer 
meter ,0.00054,mile (nautical)
meter ,0.000621,mile (statute)
meter ,1000,millimeter 
meter ,1.094,yard 
meter per minch ,1.667,cm per sec
meter per minch ,3.281,foot per minch 
meter per minch ,0.05468,foot per sec
meter per minch ,0.06,km per hr
meter per minch ,0.03238,knot 
meter per minch ,0.03728,mile per hr
meter per sec,196.8,foot per minch 
meter per sec,3.281,foot per sec
meter per sec,3.6,kilometer per hr
meter per sec,0.06,kilometer per minch 
meter per sec,2.237,mile per hr
meter per sec,0.03728,mile per minch 
meter per sec per sec,100,cm per sec per sec
meter per sec per sec,3.281,foot per sec per sec
meter per sec per sec,3.6,km per hr per sec
meter per sec per sec,2.237,mile per hr per sec
meter-kilogram ,98100000,centimeter -dyne 
meter-kilogram ,100000,centimeter -gram 
meter-kilogram ,7.233,pound-foot
microfarad,1E-06,farad 
microgram (see medical page),1E-06,gram 
microhm ,1E-12,megohm 
microhm ,1E-06,ohm 
microlitre ,1E-06,litre 
micron ,1E-06,meter 
mile (nautical),6080.27,foot
mile (nautical),1.852,kilometer 
mile (nautical),1852,meter 
mile (nautical),1.1516,mile (statute)
mile (nautical),2027,yard 
mile (statute),161000,centimeter 
mile (statute),5280,foot
mile (statute),63400,inch
mile (statute),1.609,kilometer 
mile (statute),1609,meter 
mile (statute),0.8684,mile (nautical)
mile (statute),1760,yard 
mile per hr,44.7,centimeter per sec
mile per hr,88,foot per minch 
mile per hr,1.467,foot per sec
mile per hr,1.609344,km per hr
mile per hr,0.02682,km per minch 
mile per hr,0.8684,knot 
mile per hr,26.82,meter per minch 
mile per hr,0.1667,mile per minch 
mile per hr per sec,44.7,cm per sec per sec
mile per hr per sec,1.467,foot per sec per sec
mile per hr per sec,1.609,km per hr per sec
mile per hr per sec,0.447,meter per sec per sec
mile per minch ,2682,cm per sec
mile per minch ,88,foot per sec
mile per minch ,1.609,km per minch 
mile per minch ,0.8684,knot per minch 
mile per minch ,60,mile per hr
mil-foot,9.43E-06,cubic inch
millier ,1000,kilogram 
millmicron ,1E-09,meter 
millibar ,100,pascal 
millibar ,0.0295299,inch of mercury
milligram ,0.01543236,grain 
milligram ,0.001,gram 
milligram per litre,1,part per million
millihenrie ,0.001,henrie 
millilitre ,0.001,litre 
millimeter ,0.1,centimeter 
millimeter ,0.00328,foot
millimeter ,0.03937,inch
millimeter ,1E-06,kilometer 
millimeter ,0.001,meter 
millimeter ,6.21E-07,mile 
millimeter ,39.37,mil 
millimeter ,0.00109,yard 
million gal per day,1.54723,cubic foot per sec
mil ,0.00254,centimeter 
mil ,8.33E-05,foot
mil ,0.001,inch
mil ,0.0254,millimeter 
mil ,2.78E-05,yard 
minim (British)( medical ),0.059192,cubic centimeter 
minim (US fluid),0.061612,cubic centimeter 
minute (angles),0.01667,degree 
minute (angles),0.000185,quadrant 
minute (angles),0.000291,radian 
minute (angles),60,second 
morgen,8565.32,square . meter
minute ( more time unit  ),60,second 
nautical mile (international),1852,meter
neper ,8.686,decibel 
newton,100000,dyne 
newton,0.2248,pound force (lbf)
oersted,79.57747,ampere per meter
ohm (international),1.0005,ohm (absolute)
ohm ,1E-06,megohm 
ohm ,1000000,microhm 
ounce ( oz. or ozs.),16,dram 
ounce ( mas ),437.5,grain 
ounce ,28.349523,gram 
ounce ,28349.523,milligram 
ounce ,0.0625,pound 
ounce ( avoirdupoi ),0.9115,ounce (troy)
ounce ,2.79E-05,ton (long)(UK)
ounce ,2.84E-05,tonne (metric)
ounce (fluid),1.805,cubic inch
ounce (fluid),0.02957,liter 
ounce (troy),480,grain 
ounce (troy),31.103481,gram 
ounce (troy),1.09714,ounce (avoirdupois)
ounce (troy),20,pennyweight (troy)
ounce (troy),0.08333,pound (troy)
ounce per square inch,4309,dyne per square centimeter 
ounce per square inch,0.0625,pound per square inch 
oz or oz (short for ounce),28.349523,gram 
parsec,19000000000000,mile 
parsec,30856780000000,kilometer 
ppm = part per million,0.058419,grain per U.S. gal.
part per million,8.345,pound per million gal
peck (British),554.6,cubic inch
peck (British),9.091901,litre 
peck (US),0.25,bushel 
peck (US),537.605,cubic inch
peck (US),8.809768,litre 
peck (US),8,quart (dry)
pennyweight (troy),24,grain 
pennyweight (troy),0.05,ounce (troy)
pennyweight (troy),1.555174,gram 
pennyweight (troy),0.00417,pound (troy)
perch (area),25.2929,square . meter
perch (length),5.0292,meter
perm (0deg.C),5.72135E-11,kilogram . per pascal sec square .m.
perm inch (0deg.C),1.45322E-12,kilogram . per pascal sec m.
phot,10000,lux
pica (printing),4.217518,millimeter
pica (computer),4.233333,millimeter
pieze,1000,pascal
pint (Brit.) ( pts. ),568.26125,cubic centimeter 
pint (Brit.),34.67743,cubic inch
pint (Brit.),0.125,gallon (Brit.)
pint (Brit.),4,gill (Brit.)
pint (Brit.),0.56826125,litre 
pint (Brit.),568.26125,millilitre 
pint (Brit.),20,ounce (Brit. fluid)
pint (Brit.),1.032057,pint (US dry)
pint (Brit.),1.20095,pint (US liquid)
pint (US dry),550.6105,cubic centimeter 
pint (US dry),33.6003125,cubic inch
pint (US dry),0.5506105,litre 
pint (US dry),550.6105,millitre 
pint (US dry),0.0625,peck (US)
pint (US dry),0.968939,pint (Brit. dry)
pint (US dry),0.5,quart (US dry)
pint (US liquid),473.1765,cubic centimeter 
pint (US liquid),0.01671,cubic foot
pint (US liquid),28.875,cubic inch
pint (US liquid),0.000473,cubic meter 
pint (US liquid),0.000619,cubic yard 
pint (US liquid),0.125,gallon (US)
pint (US liquid),4,gill (US)
pint (US liquid),0.4731765,litre 
pint (US liquid),473.1765,millilitre 
pint (US liquid),16,ounce (US fluid)
pint (US liquid),0.8326742,pint (Brit. liquid)
pint (US liquid),0.5,quart (liquid)
Plank's quantum,6.62E-27,erg-second
point (printing),0.3514598,millimeter
point (computer),0.3527778,millimeter
poise (P),0.1,pascal sec
poiseuille,1,pascal sec
pole (area),25.2929,meter
pole (length),5.0292,meter
poundal ,13826,dyne 
poundal ,14.1,gram 
poundal ,0.00138,joule per centimeter 
poundal ,0.138255,joule per meter (newtons)
poundal per square . foot .,1.488164,pascal (Pa)
poundal ,0.0141,kilogram 
poundal ,0.03108,pound 
pound ( lb ),256,dram 
pound ,445000,dyne 
pound ,7000,grain 
pound ,453.5924,gram 
pound ,0.04448,joule per centimeter 
pound ,4.448,joule per meter (newtons)
pound ( lb. ),0.4536,kilogram 
pound ,16,ounce 
pound ,14.5833,ounce (troy)
pound ,32.17,poundal 
pound ,1.21528,pound (troy)
pound ,0.07142857,stone (British)
pound ,0.0005,ton (short)
pound (troy),5760,grain 
pound (troy),373.24177,gram 
pound (troy),13.1657,ounce (avoirdupois)
pound (troy),12,ounce (troy)
pound (troy),240,pennyweight (troy)
pound (troy),0.822857,pound (avoirdupois)
pound (troy),0.000367,ton (long)
pound (troy),0.000373,tonne (metric)
pound (troy),0.000411,ton (short)
pound of water,0.01602,cubic foot
pound of water,27.68,cubic inch
pound of water,0.1198,gallon 
pound of water per minch ,0.000267,cubic foot per sec
pound-foot,13600000,centimeter -dyne 
pound-foot,13825,centimeter -gram 
pound-foot,0.1383,meter-kilogram s
pound force (lbf),4.448,newton
pound per cubic foot ,0.01602,gram per cubic centimeter 
pound per cubic foot ,16.02,kilogram per cubic meter
pound per cubic foot ,0.000579,pound per cubic inch 
pound per cubic foot ,5.46E-09,pound per mil-foot
pound per cubic inch ,27.68,gm per cubic centimeter 
pound per cubic inch ,27700,kilogram per cubic meter
pound per cubic inch ,1728,pound per cubic foot 
pound per cubic inch ,9.43E-06,pound per mil-foot
pound per foot ,1.488,kilogram per meter
pound per inch ,178.6,gm per centimeter 
pound per mil-foot,2310000,gm per cubic centimeter 
pound per square foot ,0.000473,atmosphere 
pound per square foot ,0.01602,foot of water
pound per square foot ,0.01414,inch of mercury
pound per square foot ,4.882428,kilogram per square meter
pound per square foot ,0.00694,pound per square inch 
pound per square inch ,0.06804,atmosphere 
pound per square inch ,2.307,foot of water
pound per square inch ,2.036,inch of mercury
pound per square inch (not pound force!),703.0696,kilogram per square meter
pound per square inch ,144,pound per square foot 
pound per square .inch ,6894.757,pascal (Pa)
psi (pounds-force per square .inch ),6.894757,kilopascal (kPa)
quad,1.055056E+018,joule 
quadrant (angle),90,degree 
quadrant (angle),5400,minute 
quadrant (angle),1.571,radian 
quadrant (angle),324000,second 
quarter (2 stone),12.70059,kilogram
quart (dry),67.2,cubic inch
quart (liquid),946.4,cubic cm 
quart (liquid),0.03342,cubic foot
quart (liquid),57.75,cubic inch
quart (liquid),0.000946,cubic meter 
quart (liquid),0.00124,cubic yard 
quart (liquid),0.25,gallon 
quart (liquid),0.9463,litre 
quintal,100,kilogram
rad (ionising radiation),0.01,gray (Gy)(joule per kilogram )
radian ,57.29578,degree 
radian ,3438,minute 
radian ,206000,second 
radian per sec,57.29578,degree per sec
radian per sec,9.549,revolution per minch 
radian per sec,0.1592,revolution per sec
radian per sec per sec,572.9578,revs. per minch per minch 
radian per sec per sec,9.549,revs. per minch per sec
radian per sec per sec,0.1592,revs. per sec per sec
réaumur,1.25,celsiu (oC)
register ton (shipping),2.831685,cubic . meter
rem,0.01,sievert (Sv)
revolution ,360,degree 
revolution ,4,quadrant 
revolution ,6.283185,radian 
revolution per minch (rpm),6,degree per sec
revolution per minch ,0.1047198,radian per sec
revolution per minch ,0.01667,revs. per sec
revolution per minch per minch ,0.00175,radian per sec per sec
revolution per minch per minch ,0.01667,rev per minch per minch 
revolution per minch per minch ,0.000278,rev per sec per sec
revolution per sec,360,degree per sec
revolution per sec,6.283,radian per sec
revolution per sec,60,rev per minch 
revolution per sec per sec,6.283,radian per sec per sec
revolution per sec per sec,3600,rev per minch per minch 
revolution per sec per sec,60,rev per minch per sec
rhe,10,per pascal sec
rod,0.25,chainch (Gunter's)
rod,5.02921,meter 
rod (surveyor's meas.),5.5,yard 
rod ,16.5,foot
rontgen,0.000258,coulomb per kilogram
rood (UK),1011.715,square . meter
scruple ( see medical page ),20,grain 
second (angle),0.000278,degree 
second (angle),0.01666667,minute 
second (angle),3.09E-06,quadrant 
second (angle),4.848137E-06,radian 
second (sidereal) (more time),0.9972696,second (s)
shake,10,nanosecond (ns)
slug,14.5939,kilogram
slug,32.17,pound 
slug per cubic foot,515.3788,kilogram per cubic meter
slug per foot second,47.88026,pascal second
span,9,inch
sphere,12.57,steradian 
square centimeter ,197000,circular mil 
square centimeter ,0.00108,square foot
square centimeter ,0.155,square inch
square centimeter ,0.0001,square meter 
square centimeter ,3.86E-11,square mile 
square centimeter ,100,square millimeter 
square centimeter ,0.00012,square yard 
square foot,2.3E-05,acre 
square foot,183000000,circular mil 
square foot,929,square cm 
square foot,144,square inch
square foot,0.09290304,square meter 
square foot,3.59E-08,square mile 
square foot,92900,square millimeter 
square foot,0.1111,square yard 
square foot per hour,2.58064E-05,square m. per second
square foot per second,0.09290304,square m. per second
square inch,1270000,circular mil 
square inch,6.452,square centimeter 
square inch,0.00694,square foot
square inch,645.2,square millimeter 
square inch,1000000,square mil 
square inch,0.000772,square yard 
square kilometer ,247.1,acre 
square kilometer ,10000000000,square cm 
square kilometer ,10800000,square foot 
square kilometer ,1550000000,square inch
square kilometer ,1000000,square meter 
square kilometer ,0.3861,square mile 
square kilometer ,1200000,square yard 
square meter ,0.000247,acre 
square meter ,10000,square centimeter 
square meter ,10.763915,square foot
square meter ,1550,square inch
square meter ,3.86E-07,square mile 
square meter ,1000000,square millimeter 
square meter ,1.196,square yard 
square mile ,640,acre 
square mile ,27900000,square foot
square mile ,2.589988,square km 
square mile ,2589988,square meter 
square mile ,3100000,square yard 
square millimeter ,1973,circular mil 
square millimeter ,0.01,square cm 
square millimeter ,1.08E-05,square foot
square millimeter ,0.00155,square inch
square mil ,1.273,circular mil 
square mil ,6.45E-06,square cm 
square mil ,1E-06,square inch
square yard ,0.000207,acre 
square yard ,8361,square cm 
square yard ,9,square foot
square yard ,1296,square inch
square yard ,0.8361274,square meter 
square yard ,3.23E-07,square mile 
square yard ,836000,square millimeter 
statampere,3.335641E-10,ampere
statcoulomb,3.335641E-10,coulomb
statfarad,1.112649E-12,farad
stathenry,898755431000,henry
statmho,1.112649E-12,siemen (S)
statohm,898755431000,ohm
statvolt,299.7925,volt
stere,1,cubic . meter
sthene,1000,newton
stilb,10000,candela per square . meter
stoke ,0.0001,meter square . per sec
stone (British) ( medical ),14,pound (avoirdupois)
stone (British),6.3502936,kilogram 
tablespoon (UK & metric),15,millilitre
tablespoon (US),14.78676,millilitre
teaspoon (UK & metric),5,millilitre ( = cubic .centimeter = cc)
teaspoon (US),4.928922,cubic centimeter ( = cc )
therm (European),105506000,joule
therm (US),105480400,joule
thermie,4185500,joule
thou (mil),2.54E-05,meter
ton (long),1016.047,kilogram 
ton (long),2240,pound 
ton (long),1.12,ton (short)
ton (tonne)(metric),1000,kilogram 
ton (metric),2205,pound 
ton (short),32000,ounce 
ton (short),907.1847,kilogram 
ton (short),2000,pound 
ton (short),2430.56,pound (troy)
ton (short),0.89287,ton (long)
ton (short),0.9071847,tonne (metric)
ton (short) per square .foot .,9765,kilogram per square meter
ton (short) per square .foot .,2000,pound per square inch 
ton of water per 24 hour,83.333,pound of water per hr
ton of water per 24 hour,0.16643,gallon per minch 
ton of water per 24 hour,1.3349,cubic foot per hr
ton refrigeration,12000,btu per hour
ton refrigeration,3024.117,kilocalorie per hour
ton refrigeration,3517.2,watt 
torr,133.32237,pascal
unit pole,1.256637E-07,weber ( Wb )
volt inch,0.3937,volt per centimeter 
volt (absolute),0.003336,statvolt 
watt ,3.4129,Btu per hr
watt ,0.05688,Btu per minch 
watt ,10000000,erg per sec
watt ,44.27,foot-lb per minch 
watt ,0.7378,foot-lb per sec
watt ,0.00134,horsepower
watt ,0.00136,horsepower (metric)
watt ,0.01433,kilogram -calorie per minch 
watt ,0.001,kilowatt 
watt ,0.0002843,ton refrigeration
watt ( see detail  ),watt per volt ,amp 
watt (absolute),0.056884,Btu (mean) per minch 
watt (absolute),1,joule per sec
watt hour,3600,joule
watt-hour ,3.413,Btu
watt-hour ,36000000000,erg 
watt-hour ,2656,foot-pound 
watt-hour ,859.85,gram-calorie 
watt-hour ,0.00134,horsepower-hour
watt-hour ,0.8605,kilogram-calorie 
watt-hour ,367.2,kiloram-meter 
watt-hour ,0.001,kilowatt-hour
watt (international),1.0002,watt (absolute)
weber ,100000000,maxwell 
weber ,100000,kiloline 
weber per square inch ,15500000,gausse 
weber per square inch ,100000000,line per square inch 
weber per square inch ,0.155,weber per square centimeter 
weber per square inch ,1550,weber per square meter
weber per square meter,10000,gausse 
weber per square meter,64500,line per square inch 
weber per square meter,0.0001,weber per square centimeter 
weber per square meter,0.000645,weber per square inch 
week,7,day
week,168,hour
week,10080,minute (time)
week,0.2299795,month
week,605000,second
yard ,91.44,centimeter 
yard ,0.5,fathom
yard ,3,foot
yard ,36,inch
yard ,0.000914,kilometer 
yard ,0.9144,meter 
yard ,0.000493,mile (nautical)
yard ,0.000568,mile (statute)
yard ,914.4,millimeter 
year (mean of 4 year period),365.25,day ( more on time )
year (mean of 4 year period),8766,hour
year (mean of 4 year period),526000,minute (time)
year (mean of 4 year period),31558150,second (time)
year (mean of 4 year period),52.17857,week