Volume Converter
Convert between different units of volume including gallons, liters, milliliters, and more.
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Conversion Formula
1 US gallon = 3.78541 liters
To convert between volume units, convert to the base unit (liters) first, then to the target unit. Note that US and imperial volume units are different.
Frequently Asked Questions
How many liters are in a US gallon?
1 US gallon equals approximately 3.785 liters. Note that an Imperial gallon (used in the UK) equals approximately 4.546 liters.