CalcVind

US Gallons to Imperial Gallons Converter

Convert US gallons (gal) to imperial gallons (gal (UK))

Convert Volume

gal

Results update as you type

Result

0.8326741846 gal (UK)
Imperial Gallons

1 gal = 0.8326741846 gal (UK)

1 gal in other units

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How to convert US gallons to imperial gallons

One US gallon equals 0.8326742 imperial gallons, so multiply the number of US gallons by 0.8326742.

gal (UK) = gal × 0.8326742

1 gal = 0.8326742 gal (UK) · 1 gal (UK) = 1.20095 gal

Worked example

To convert 5 US gallons to imperial gallons: 5 gal × 0.8326742 = 4.163371 gal (UK).

About US gallons (gal)

A US gallon is 128 US fluid ounces, about 3.785 litres. US fuel and milk are sold by the gallon.

About imperial gallons (gal (UK))

An imperial gallon is exactly 4.54609 litres, about 20% larger than a US gallon.

More conversions

Imperial Gallons to US GallonsAll units: Volume Converter

US Gallons to other units

Other units to Imperial Gallons

Frequently asked questions

How many imperial gallons are in one US gallon?

One US gallon equals 0.8326742 imperial gallons.

How many US gallons are in one imperial gallon?

One imperial gallon equals 1.20095 US gallons.

How do I convert US gallons to imperial gallons?

Use the formula gal (UK) = gal × 0.8326742. For example, 5 gal × 0.8326742 = 4.163371 gal (UK).