Gallons to Liters Converter

Convert US gallons to liters. One US gallon equals 3.78541 liters.

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gal

Liters

3.785 L

Milliliters3,785 mL
Quarts4.0 qt
View formula & how it works →

How to Convert Gallons to Liters

Formula

Liters = Gallons x 3.78541

One US gallon equals exactly 3.785411784 liters.

Quick Reference

  • 1 gallon = 3.785 L = 4 quarts = 8 pints = 16 cups
  • 0.264 gallons = 1 liter

    • Example Calculation

    Convert 1 gallon of water to liters.

    1. 01Use the conversion: 1 gallon = 3.78541 L.
    2. 02Multiply: 1 x 3.78541 = 3.78541 L.
    3. 031 gallon is approximately 3.785 liters.

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