Free Unit Converter
Convert length, mass, temperature, volume, area and speed with regional number formats and separate US and Imperial liquid units.
Result
Calculation
Worked example
Length
1 in = 2.54 cm
Mass
1 lb = 0.45359237 kg
Temperature
0 °C = 32 °F = 273.15 K
Volume
1 US gal = 3.785411784 L; 1 UK gal = 4.54609 L
Area
1 ft² = 0.09290304 m²
Speed
60 mph = 96.56064 km/h
Gallons: compare before choosing
Ten US gallons and ten Imperial gallons are different volumes. Choose the gallon named in your source; switching country does not change units you already selected.
10 US gal = 37.85411784 L
10 UK gal = 45.4609 L