Volume converter
Volumes go through litres with exact values: 1 US gallon = 3.785411784 L and 1 UK gallon = 4.54609 L. A US cup is 1/16 of a US gallon, a US tablespoon is 1/2 US fl oz and a teaspoon is 1/3 of a tablespoon. Cup sizes differ by country, so check which cup a recipe means.
Worked example
- 2 L = 0.528344 US gal
- 1 US cup = 236.588 mL
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Questions people ask
Are US and UK gallons the same?
No. A US gallon is 3.785411784 L and a UK gallon is 4.54609 L, about 20% more.
How many millilitres are in a cup?
The US cup used here is 1/16 of a US gallon, about 236.6 mL. Other countries and recipes use other cup sizes.