Gallon to Liter Converter

Convert gallons to liters quickly and accurately.

Calculator

Enter Value in Gallons

Guide

How to Convert Gallons to Liters

To convert gallons to liters, multiply the gallon value by 3.78541:

Liters = Gallons × 3.78541

This conversion is based on the relationship between U.S. gallons and liters:

  • 1 U.S. gallon = 3.78541 liters
  • 1 liter = 0.264172 U.S. gallons

Note: This converter uses U.S. gallons. The Imperial (UK) gallon is different and equals 4.54609 liters.

Examples

Common Examples

Example 1 1 Gallon to Liters

1 gal × 3.78541 = 3.78541 L

Example 2 5 Gallons to Liters

5 gal × 3.78541 = 18.92705 L

Example 3 10 Gallons to Liters

10 gal × 3.78541 = 37.8541 L

Example 4 0.5 Gallons to Liters

0.5 gal × 3.78541 = 1.892705 L

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