How many US gallons in 1 Imperial gallon?
The answer is 1.2009499204287.

We assume you are converting between **gallon [US]** and **imperial gallon**.

You can view more details on each measurement unit:

US gallons or
Imperial gallon

The SI derived unit for **volume** is the cubic meter.

1 cubic meter is equal to 264.17205124156 US gallons, or 219.96924829909 Imperial gallon.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between gallons [US] and imperial gallons.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from Imperial gallon to US gallons, or enter any two units below:

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