(* Mathematica Test File *) Test[ ConvertTemperature[10, Centigrade, Fahrenheit] , 50 , TestID->"UnitsTests-20111103-H2G1N1" ] NTest[ N[First[Convert[130 Kilo Meter/Hour, Mile/Hour]]] , 80.7783 , PrecisionGoal -> 6 , TestID->"UnitsTests-20111103-Z1G3A9" ] NTest[ Convert[100 Kilo Meter/(7 Liter), Mile/Gallon] // First , 33.602 , PrecisionGoal -> 5 , TestID->"UnitsTests-20111103-J7K1X5" ]