How many litres in a US gallon?

1 US liquid gallon = 3.78541 litres.

What's the difference between US and UK gallons?

A US gallon is 3.785 litres while a UK (imperial) gallon is 4.546 litres. This converter uses US gallons.

Divide the number of litres by 3.78541, or multiply by 0.264172.

US gallons are used in the United States. Most other countries use litres as the standard unit of liquid volume.

Convert between litres and US gallons instantly. Enter a value in either field for real-time bidirectional conversion.

Litres (L)

US Gallons (gal)

Common References

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The Complete Unit Conversion Handbook

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How Fuel Cost Calculators Help Plan Travel Expenses

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Enter litres to convert to US gallons, or enter US gallons to convert to litres. Both fields update in real time.

This converter uses US liquid gallons (1 US gallon = 3.78541 litres).

1 litre = 0.264172 US gallons. 1 US gallon = 3.78541 litres.

Note: The US gallon differs from the imperial (UK) gallon. 1 UK gallon = 4.54609 litres.

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