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1 US Gallon to Liters Converter

Convert 1 US gallon to liters with the exact result and formula.

Quick Answer

1 gal = 3.78541178 L

Volume conversion

Calculator

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Result

3.78541178 L

1 gal = 3.78541178 L

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Conversion Summary

1 US gallon equals 3.78541178 liters.

1 liter = 0.26417205 US gallons.

Equivalent Values

1 gal equals:

3.78541178 L
Liters
3,785.411784 mL
Milliliters
0.00378541 m³
Cubic meters

Formula

1 L = 0.26417205 gal

liters = US gallons × 3.785411784

Example

Convert 1 US gallon to liters:

1 × 3.785411784= 3.78541178 L

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Conversion Methodology

Convertora stores volume factors relative to the SI cubic meter. Metric and US customary factors use standardized definitions, and displayed results are rounded for readability.

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