Free and open source Java application that will help you compute with units
Version: 1.86.J01Computing with units is a Java program for computations with values expressed in terms of physical or other units. Computing with units supports complicated mathematical expressions and user-defined functions. Computing with units has an extensive units data base.
Operating System: Mac OS X
Using this program you can find out, for example, that 6 ft 4 in is about 1.93 m, that temperature of 75 degrees Fahrenheit is about 24 degrees Celsius, that 8 liters per 100 km is about the same as 29 miles per gallon or that electric current of 5 mA corresponds to the flow of about 3.12e16 electrons per second.