How many Imperial Gallon (imp gal) are in one US Gallon (US gal)?

One US Gallon equals 0.832674184628989 Imperial Gallon.

How do you convert US Gallon to Imperial Gallon?

Multiply the US Gallon value by 0.832674184628989 to get the result in Imperial Gallon.

Multiply the Imperial Gallon value by 1.20094992550486 to get back to US Gallon.

8 US Gallon equals 6.66139347703191 Imperial Gallon.

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Use this page to convert us gallon values into imperial gallon, with background details, formulas, a worked example, and a quick conversion table.

1 US gal = 0.832674184628989 imp gal

1 imp gal = 1.20094992550486 US gal

Example: 8 US gal = 6.66139347703191 imp gal

A US liquid gallon equals exactly 3.785411784 liters.

History: US gallons developed from older English wine gallon measures and differ from imperial gallons.

Current use: US gallons are used for fuel, beverages, pools, and storage in the United States.

Also written as US gal, gal, gallon, gallons, us gallon, us gallons.

An imperial gallon equals exactly 4.54609 liters.

History: The imperial gallon was standardized in the British imperial system and differs from the US gallon.

Current use: Imperial gallons are used in some UK and Commonwealth contexts, especially legacy references.

Also written as imp gal, imperial gallons, uk gallon, uk gallons.

How many Imperial Gallon (imp gal) are in one US Gallon (US gal)?
One US Gallon equals 0.832674184628989 Imperial Gallon.
How do you convert US Gallon to Imperial Gallon?
Multiply the US Gallon value by 0.832674184628989 to get the result in Imperial Gallon.
How do you convert Imperial Gallon back to US Gallon?
Multiply the Imperial Gallon value by 1.20094992550486 to get back to US Gallon.
What is 8 US Gallon in Imperial Gallon?
8 US Gallon equals 6.66139347703191 Imperial Gallon.