Wolfram|Alpha Units & Measures

Units

Units

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foot pound coulombs ft^3 kg m^2/s^2

Conversions

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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

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10 miles + 14 kilometers
specify a unit for the result of a calculation
(20 feet)(1 mile) in acres

Comparisons

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175lb vs 100kg
get comparisons for a given quantity
1 million miles 50mg

Dimensional Analysis ››

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mass density
compute dimensionless combinations
energy, momentum
compute a dimensionless quantity
Reynolds number

Prefixes

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binary prefixes SI prefixes