US Gallon to Imperial Gallon Converter
US Gallon to Imperial Gallon Formula
Conversion explanation: Divide the value in US Gallon by 1.20095 to get the equivalent value in Imperial Gallon.
Popular volume unit conversions
What is US Gallon to Imperial Gallon Converter
This converter translates US liquid gallons (gal) to Imperial gallons (Imp gal). It applies the ratio where 1 US gallon is approximately 0.832674 Imperial gallons for cross-system volume conversions. For related calculations, you can also check our liter to milliliter conversion tool.
Definitions of US Gallon and Imperial Gallon
What is US Gallon?
A US gallon is a unit of liquid volume in the United States customary system equal to 231 cubic inches. It is frequently used for fuel and large beverage containers. For related unit metrics, you can use our milliliter to liter conversion tool.
What is Imperial Gallon?
An imperial gallon is a unit of liquid volume used in the British imperial system equal to approximately 4.546 liters. It was historically used throughout the British Commonwealth. If you need to make other calculations, see our liter to us gallon conversion tool.