UK gallons to US gallons – convert gal UK to gal US
Convert UK gallons to US gallons (gal UK to gal US) to compare fuel economy, tank sizes, brewing batches and water volumes between Imperial and US systems. This page opens the main volume converter with galUK → galUS pre-selected.
Open the interactive UK gal → US gal converter:
Use main converter (UK gal → US gal) or switch to US gal → UK galThe homepage also converts litres, cubic metres, and both US and UK gallons.
Quick reference: UK gallons to US gallons
One UK gallon is about 1.20095 US gallons, so: US gallons = UK gallons × 1.20095. Examples:
| Volume (UK gallons) | Volume (US gallons, approx.) |
|---|---|
| 1 UK gal | 1.20 US gal |
| 5 UK gal | 6.00 US gal |
| 10 UK gal | 12.01 US gal |
| 20 UK gal | 24.02 US gal |
| 50 UK gal | 60.05 US gal |
Why convert UK gallons to US gallons?
UK gal to US gal is useful when you:
- Compare car or truck fuel usage between UK and US sources.
- Convert brewing or distilling recipes for equipment sized in US gallons.
- Interpret tank or drum capacities specified in different gallon systems.
- Work with international fluid or energy reports mixing Imperial and US units.
Other volume converters on this site
This converter uses the standard definitions: UK (Imperial) gallon and the US liquid gallon, which is the most common in everyday use.
Page last updated: 11 December 2025.