Units

Get information and conversions for a unit:

foot pound

coulombs

ft^3

kg m^2/s^2

Conversions

Get unit conversions for a quantity:

120 meters

50 gallons

12 stone

35 megacuries

3 Danish pots

450 MeV

10 megabytes

Convert to a specified unit:

20mL in drams

5 furlongs in miles

30mpg in km/liter

convert 10 megabytes to mebibytes

100°C to Fahrenheit

Calculations

Do a calculation with units:

10 miles + 14 kilometers

Specify a unit for the result of a calculation:

(20 feet)(1 mile) in acres

Comparisons

Compare two quantities:

175lb vs 100kg

Get comparisons for a given quantity:

1 million miles

50mg

Dimensional Analysis

Get information about a physical quantity:

mass density

Compute dimensionless combinations:

energy, momentum

Compute a dimensionless quantity:

Reynolds number

Prefixes

Get information about prefixes:

binary prefixes

SI prefixes