Gallon Imperial to Liter Converter

1 Gallon Imperial = 4.54609 Liter
Gallon Imperial (imp gal) ➜ Liter (L)
 
imp gal

Gallon Imperial vs Liter Comparison Chart

Source - Gallon ImperialTarget - Liter

Gallon Imperial (imp gal) - Definition and Overview

What is Gallon Imperial?

An Imperial Gallon is defined as 4.54609 liters or approximately 277.42 cubic inches. The Imperial gallon is primarily used in the United Kingdom and some other Commonwealth countries.

Summary

  • The Imperial gallon is a unit of volume that is commonly used in the United Kingdom and some other Commonwealth 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 Imperial 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 Imperial to Liter?

1 Gallon Imperial is equal to 4.54609 Liter. To convert Gallon Imperial to Liter, use this simple formula:

Liter = Gallon Imperial x 4.54609

So, just multiply the number of Gallon Imperial by 4.54609 to get equivalent value in Liter.

Example 1:

Convert 5 Gallon Imperial to Liter
5 x 4.54609 = 22.73045 Liter

Example 2:

Convert 7.5 Gallon Imperial to Liter
7.5 x 4.54609 = 34.095675 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.