Convert US gallons to imperial gallons
US gal
1 US gallon ≈
0.833 imperial gallons
* rounded result
Select how many decimal places the result will be rounded to:
How to convert US gallons to imperial gallons
To convert US gallons to imperial gallons, divide a US gallons value by 1.2009499255.
Formula imp gal = US gal / 1.2009499255
Example: Convert 2 US gallons to imperial gallons Calculations: 2 US gal / 1.2009499255 ≈ 1.665 imp gal
US gallon (US gal)
The US gallon is a US customary systems unit of volume, defined as 231 cubic inches or 128 US fluid ounces, and is equal to 3.785411784 liters. It is the standard unit for measuring volume in the United States.
Imperial gallon (imp gal)
The imperial gallon is an imperial system unit of volume, defined as 4.54609 liters or 160 imperial fluid ounces. One imperial gallon is approximately equal to 1.201 US gallons.