Gallons to Liters Converter Formula

Understand the math behind the gallons to liters converter. Each variable explained with a worked example.

Formulas Used

Liters

result = value * 3.78541

Variables

VariableDescriptionDefault
valueGallons(gal)5

How It Works

How to Convert Gallons to Liters

Formula

Liters = Gallons × 3.78541

1 gal = 3.78541 L

Worked Example

Convert 5 gal to L.

value = 5
  1. 015 gal × 3.78541 = 18.9271 L

Frequently Asked Questions

How many L in a gal?

There are 3.78541 L in 1 gal.

Is this Gallons to Liters Converter accurate?

Yes, this converter uses the exact conversion factor of 3.78541.

Learn More

Guide

Volume Conversion Guide: Liters, Gallons, Cups, and Cubic Units

Master volume conversions between liters, gallons, cups, milliliters, cubic meters, and more. Includes formulas, cooking equivalents, and scientific applications.

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Open Gallons to Liters Converter