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Unit conversions

Every measurement, right where you need it

Enter a value and get the format you need, without keeping formulas in your head.

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Temperature

Convert between Celsius, Fahrenheit, and Kelvin.

°C25
°F77
K298.15
Temperature delta5°C

Formula

°F = °C × 9/5 + 32 | K = °C + 273.15

Length

Convert between centimeters, millimeters, inches, and feet.

cm60
mm600
inches (in)23.622
feet (ft)1.969

Weight

Convert between grams, kilograms, ounces, and pounds.

g1,000
kg1
ounces (oz)35.27
pounds (lb)2.205

Volume

Convert between liters, milliliters, US gallons, UK gallons, and fluid ounces.

L100
mL100,000
gal (US)26.42
gal (UK)22
fl oz (US)3,381.4

Scientific references