How do you convert us gallons to imperial gallons?

Enter the us gallons value in the input field above and the calculator instantly shows the result in imperial gallons. The step-by-step formula and a worked example are displayed below the converter.

What is the formula to convert us gallons to imperial gallons?

The exact conversion formula for us gallons to imperial gallons is shown in the 'How to Convert' section on this page, along with a reference table of common values.

Can I convert imperial gallons back to us gallons?

Yes. Click the swap button (⇄) between the two fields to reverse the direction. You can then enter a imperial gallons value and get the equivalent in us gallons.

Volume Converter

US Gallon to Imperial Gallon Conversion

Please provide values below to convert us gallon [gal] to imperial gallon [imp gal], or vice-versa.

US Gallon (gal)

gal

Imperial Gallon (imp gal)

imp gal

Result

How to Convert US Gallon to Imperial Gallon

Formula

What is a US Gallon?

What is a Imperial Gallon?

US Gallon to Imperial Gallon Conversion Table

Reference Values

US Gallon [gal]	Imperial Gallon [imp gal]

Other Volume Conversions

L → mL mL → L L → gal gal → L L → m³ m³ → L gal → fl oz fl oz → mL cup → mL tbsp → mL tsp → mL ft³ → L