Convert imperial gallons to US gallons
imp gal
1 imperial gallon ≈
1.201 US gallons
* rounded result
Select how many decimal places the result will be rounded to:
How to convert imperial gallons to US gallons
To convert imperial gallons to US gallons, multiply a imperial gallons value by 1.2009499255.
Formula US gal = imp gal × 1.2009499255
Example: Convert 2 imperial gallons to US gallons Calculations: 2 imp gal × 1.2009499255 ≈ 2.402 US gal
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.
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.