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Convert imperial gallon to US gallon

Here you can quickly calculate how many US gallon fit in one imperial gallon.
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  • 1 gal (uk) = 1.20095 gal
  • 1 gal = 0.832674 gal (uk)

Example: imperial gallon to US gallon

  • 1 Imperial gallon = 1.20095 US gallon

Imperial gallon to US gallon conversion table

Imperial gallon US gallon
1 1.20095
2 2.4019
5 6.00475
10 12.009499
20 24.018999
50 60.047496
100 120.094993

Imperial gallon to US gallon formula

To convert imperial gallon to US gallon, multiply by 1.20095.

1 gal (uk) = 1.20095 gal
Example: 1 Imperial gallon = 1.20095 US gallon

Common volume conversion mistakes

  • 'Gallon' names two different measures: the US gallon is about 3.785 liters and the imperial gallon about 4.546 liters, a full 20% larger. US fuel figures and UK recipes therefore use different gallons. Always check the country before converting.

Quick imperial gallon and US gallon conversion quiz

Score: 0

169 US gallon equals 162 imperial gallon.

Correct answer: 169 US gallon = 141 imperial gallon.

15.6 imperial gallon equals 20.6 US gallon.

Correct answer: 15.6 imperial gallon = 18.7 US gallon.

40 US gallon equals 28.3 imperial gallon.

Correct answer: 40 US gallon = 33.3 imperial gallon.

7.9 US gallon equals 5.92 imperial gallon.

Correct answer: 7.9 US gallon = 6.58 imperial gallon.

More volume conversions