Convert gallons to imperial gallons

US gallons to imperial gallons. Enter a value to convert, or use the gallons to imperial gallons chart further down the page.

1 gal = 0.8326741846 imp gal

1 US gallon equals 0.8326741846 imperial gallons. Going the other way, 1 imperial gallon = 1.200949926 US gallons.

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Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

How to convert gallons to imperial gallons

To convert US gallons to imperial gallons, multiply the US gallon value by 0.8326741846. You can also divide by 1.200949926 to get the same answer.

imp gal = gal × 0.8326741846

Convert 15 gal to imperial gallons:

15 gal = 12.49011277 imp gal

Use this gallons to imperial gallons table for quick reference without typing anything.

The US liquid gallon is exactly 3.785411784 liters, or 231 cubic inches. It is about 17% smaller than the imperial gallon.

The imperial gallon is exactly 4.54609 liters and is used in the UK and Canada. It is noticeably larger than the US gallon.

How many imperial gallons are in an US gallon?

1 gallons equals 0.8326741846 imperial gallons. Going the other way, 1 imperial gallons is 1.200949926 gallons.

How do you convert gallons to imperial gallons?

To convert US gallons to imperial gallons, multiply the US gallon value by 0.8326741846. You can also divide by 1.200949926 to get the same answer.

What is 10 gallons in imperial gallons?

10 gallons equals 8.326741846 imperial gallons. The conversion chart on this page lists the other values people look up most often.