Gallons to Litres Converter
Convert gallons to litres instantly. Choose whether you are using UK (Imperial) gallons or US gallons — the two are different sizes. 1 UK gallon = 4.54609 L, 1 US gallon = 3.785411784 L.
The UK (Imperial) gallon is 4.54609 litres; the US gallon is 3.785411784 litres. To convert gallons to litres, multiply by the constant for your gallon type.
How to convert gallons to litres
Gallons to litres conversion table
Frequently asked questions
How many litres is a UK gallon?
One UK (Imperial) gallon equals 4.54609 litres. Select "UK / Imperial" above to convert using this value.
How many litres is a US gallon?
One US gallon equals 3.785411784 litres. Select "US gallon" above to convert using this value. The US gallon is smaller than the UK gallon.
How do I convert gallons to litres?
Multiply the number of gallons by the right constant: 4.54609 for UK gallons, or 3.785411784 for US gallons. Choose your gallon type above and the litres result updates instantly.
What is 10 US gallons in litres?
10 US gallons equals 37.85 litres (10 × 3.785411784 = 37.8541). For UK gallons, 10 UK gallons = 45.46 litres.
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