Gallons to Liters Converter

Convert US gallons to liters and back. 1 US gallon is exactly 3.785411784 liters.

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Formula for an approximate result, multiply the volume value by 3.785

Common preset

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About US Liquid Gallon

The US liquid gallon (gal) is defined as exactly 3.785 411 784 liters, based on the international inch. It is commonly used in the United States for liquid measurements.

About Liter (L)

The liter (L) is a metric unit of volume equal to one cubic decimeter or 1,000 milliliters. It is widely used worldwide for both liquid and dry measurements.

US Gallon to Liter Conversion Table

US gallon [gal]Liter [L]
0.010.03785
0.10.37854
13.78541
27.57082
311.3562
518.9271
1037.8541
2075.7082
50189.2706
100378.5412
10003785.4118

FAQs

How many liters are in a US gallon?

1 US gallon = 3.785411784 liters exactly.

How do I convert gallons to liters?

Multiply the volume in US gallons by 3.785411784 to get the value in liters. To convert liters to US gallons, divide by the same factor.

Are US and Imperial gallons the same?

No. The US gallon is about 3.785 liters, while the Imperial gallon (used in the UK) is about 4.546 liters.

Convert Gallon (US) to Other Volume Units