Gallon Conversions

Use this easy and mobile-friendly calculator to convert between Gallons and other units of Volume.

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1 U.S. Gallon ≈

3.7854118 Liters

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Gallons

A U.S. gallon is a unit of volume equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.

Common abbreviations: gal, US gal

Liters

A liter, or litre, is a unit of volume in the metric system. A liter is defined as the volume of a cube that is 10 centimeters on a side. There are about 3.785 liters in a U.S. gallon.

Abbreviation: L