UnitConverter

US Gallons to UK Gallons Converter

1 US gallon = 0.832674 UK imperial gallons. The 20% difference causes confusion in fuel economy comparisons.

Formula:1 US gal = 0.832674 UK gal
⇄ Switch to Uk Gallons To Us Gallons
Liter
L
Milliliter
mL
Liter to Milliliter — common values

How to convert Us Gallons To Uk Gallons

To convert us gallons to uk gallons, use the formula: 1 US gal = 0.832674 UK gal. Enter any value in the input field above and the result appears instantly. Click the ⇄ button or use the “Switch to Uk Gallons To Us Gallons” link to reverse the conversion.

All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000) and are accurate to 8 significant figures.

Frequently Asked Questions

What is the formula to convert Us Gallons To Uk Gallons?
1 US gal = 0.832674 UK gal. 1 US gallon = 0.832674 UK imperial gallons. The 20% difference causes confusion in fuel economy comparisons.
Is this converter free?
Yes — completely free, no registration required. Works instantly in your browser.
How do I convert Uk Gallons To Us Gallons?
Use the Uk Gallons To Us Gallons converter or click the ⇄ switch button above.
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