Gallon US to Liter Converter

1 Gallon US = 3.785411784 Liter
Gallon US (US gal) ➜ Liter (L)
 
US gal

Gallon US vs Liter Comparison Chart

Source - Gallon USTarget - Liter

Gallon US (US gal) - Definition and Overview

What is Gallon US?

A US Gallon is defined as 231 cubic inches or approximately 3.78541 liters. The US gallon is used for measuring liquid volume in United States and some Latin American and Caribbean countries.

Summary

  • The US gallon is a unit of volume that is commonly used in the United States and some Latin American and Caribbean countries to measure the volume of liquids, such as gasoline, milk, and water
  • It is also used in the brewing and distilling industries to measure the volume of beer and spirits
  • The US gallon is a convenient unit of volume because it is easy to convert to other units of volume, such as liters and cubic inches.

Liter (L) - Definition and Overview

What is Liter?

A liter (or litre) is a unit of volume in the metric system. It is equal to 1 cubic decimeter (dm^3), 1,000 cubic centimeters (cm^3), or 1/1,000th of a cubic meter (m^3). It is commonly used to measure the volume of liquids such as water, milk, or gasoline.

Summary

  • The liter is a widely used unit of volume in many countries around the world
  • It is commonly used to measure the volume of liquids, such as beverages, fuel, and household cleaning products
  • The liter is also used in scientific research and industry to measure the volume of gases and other substances
  • The liter is a convenient unit of volume because it is easy to convert to other metric units of volume, such as milliliters and cubic meters.

How to Convert Gallon US to Liter?

1 Gallon US is equal to 3.785411784 Liter. To convert Gallon US to Liter, use this simple formula:

Liter = Gallon US x 3.785411784

So, just multiply the number of Gallon US by 3.785411784 to get equivalent value in Liter.

Example 1:

Convert 5 Gallon US to Liter
5 x 3.785411784 = 18.92705892 Liter

Example 2:

Convert 7.5 Gallon US to Liter
7.5 x 3.785411784 = 28.39058838 Liter

Author Information

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Rajesh V U

Full-Stack Developer & Storage Technologist | Creator of UnitSmash.com
Last updated: June 1, 2026

I am a Storage Technologist with strong experience in enterprise storage systems, Angular development, and web-based tools. I enjoy building practical calculators, converters, and utilities, and I also create original cartoons. I share my tools, articles, and creative work on my personal website, rajeshvu.com.