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Convert Imperial Gallons to US Gallons

imp gal\text{imp gal}
=
US gal\text{US gal}

Imperial Gallon (imp gal)

The Imperial gallon is a unit of volume in the British imperial system, equal to 4 imperial quarts or exactly 4.54609 liters. It is commonly used in the United Kingdom and other Commonwealth countries for measuring fuel consumption and large quantities of liquids.

US Gallon (US gal)

The US gallon is a unit of volume in the US customary system, equal to 4 quarts or exactly 3.785411784 liters. It is commonly used for measuring fuel consumption, large quantities of liquids, and is the standard unit for gasoline sales in the United States.

Imperial Gallons to US Gallons Conversion Table

Imperial Gallons (imp gal)US Gallons (US gal)
11.20095
22.4019
56.00475
1012.0095
2024.019
5060.0475
100120.09499
250300.23748
500600.47496
10001200.94993

How to Convert Imperial Gallons to US Gallons

Conversion factor:

1 imp gal=1.20095 US gal1\,\text{imp gal} = 1.20095\,\text{US gal}

Inverse factor:

1 US gal=0.83267 imp gal1\,\text{US gal} = 0.83267\,\text{imp gal}

Example

Convert 15 imp gal to US gal:

US gal=imp gal×1.20095\text{US gal} = \text{imp gal} \times 1.20095
US gal=15×1.20095\text{US gal} = 15 \times 1.20095
US gal=18.01425\text{US gal} = 18.01425
=18.01425 US gal= 18.01425 \, \text{US gal}

All conversions from Imperial Gallons (imp gal)