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Convert Imperial Gallon to US Gallon

1 imperial gallon = 1.2009499 us gallons (imp gal to gal).

Need to move between imperial gallons and us gallons? A imperial gallon is larger than a us gallon — one imperial gallon contains 1.20095 us gallons. One us gallon works out to 0.832674 imperial gallons in the other direction. The converter above does this in real time, and the reference chart lists the values that come up most often.

1.2009499

1 imp gal = 1.2009499 gal

How to convert Imperial Gallons to US Gallons

Multiply the imperial gallon value by 1.20095 to get us gallons.

Example: 10 imperial gallons = 12.0095 us gallons.

Imperial Gallon to US Gallon Conversion Chart

Imperial GallonsUS Gallons
1 imp gal1.2009499 gal
2 imp gal2.4018999 gal
3 imp gal3.6028498 gal
5 imp gal6.0047496 gal
10 imp gal12.009499 gal
20 imp gal24.018999 gal
25 imp gal30.023748 gal
50 imp gal60.047496 gal
100 imp gal120.09499 gal
1000 imp gal1,200.9499 gal

Frequently Asked Questions

How many us gallons are in a imperial gallon?
There are 1.2009499 us gallons in 1 imperial gallon.
How do you convert imperial gallons to us gallons?
Multiply the imperial gallon value by 1.20095 to get us gallons.
What is 5 imperial gallons in us gallons?
5 imperial gallons equals 6.0047496 us gallons.
What is 100 imperial gallons in us gallons?
100 imperial gallons equals 120.09499 us gallons.
What is 1 us gallon in imperial gallons?
1 us gallon equals 0.83267418 imperial gallons.
Is this imperial gallon to us gallon converter free?
Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.

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