Gallons (US) to Imperial gallons conversion table
| Gallons (US) | Imperial gallons |
|---|---|
| 1 gal | 0.8326741846 imp gal |
| 2 gal | 1.665348 imp gal |
| 5 gal | 4.163371 imp gal |
| 10 gal | 8.326742 imp gal |
| 25 gal | 20.816855 imp gal |
| 50 gal | 41.633709 imp gal |
| 100 gal | 83.267418 imp gal |
How to convert gallons (US) to imperial gallons
Imperial gallons = Gallons (US) × 0.8326741846. For example, 2 gal = 1.665348 imp gal. Type a value in either box above: the other one updates instantly, both ways.
What is a gallon?
A US gallon (gal) is 128 US fluid ounces, exactly 3.785411784 liters.
What is an imperial gallon?
An imperial gallon, used in the UK, is exactly 4.54609 liters, about 1.2 US gallons.
How do I convert gallons (US) to imperial gallons?
Use the formula Imperial gallons = Gallons (US) × 0.8326741846. Type a value in the gallons (US) box and the result appears instantly.
How many imperial gallons are in 1 gallon?
1 gal = 0.8326741846 imp gal.
Is this converter free and private?
Yes. It is free, needs no sign-up, and the calculation runs in your browser: nothing is sent to a server.
Which cups, pints and gallons does this use?
US customary units: 1 cup = 236.588 mL, 1 US gallon = 3.785 L and 1 US fluid ounce = 29.574 mL. The imperial (UK) gallon is larger, 4.546 L, and has its own converter.