Convert US Gallons to Imperial Gallons
1 us gallon = 0.83267418 imperial gallons. Multiply the number of us gallons by 0.832674184629.
1 gal = 0.8326741846 gal
Multiply the number of us gallons by 0.832674184629.
Results are rounded for display. Double-check values for critical work.
US Gallons to Imperial Gallons table
| US Gallons | Imperial Gallons |
|---|---|
| 1 gal | 0.83267418 gal |
| 2 gal | 1.6653484 gal |
| 3 gal | 2.4980226 gal |
| 4 gal | 3.3306967 gal |
| 5 gal | 4.1633709 gal |
| 10 gal | 8.3267418 gal |
| 20 gal | 16.653484 gal |
| 25 gal | 20.816855 gal |
| 50 gal | 41.633709 gal |
| 100 gal | 83.267418 gal |
| 500 gal | 416.33709 gal |
| 1000 gal | 832.67418 gal |
US Gallons to Imperial Gallons in your head
Multiply by 5, then divide by 6.
That lands within 0.1% of the exact value.
10 gal → 8.33333 gal in your head, 8.32674 gal exactly.
About these units
The us gallon (gal) is a US customary unit of volume & capacity, equal to 0.0037854118 cubic meters.
The imperial gallon (gal) is an imperial unit of volume & capacity, equal to 0.00454609 cubic meters.
Going the other way, 1 imperial gallon = 1.2009499 us gallons. A US gallon and an imperial gallon differ by about 20%, and the same is true right down to teaspoons. This converter keeps the two systems separate and explicit so a recipe or a fuel figure never comes out a fifth wrong.
Frequently asked
- How many imperial gallons are in a us gallon?
- 1 us gallon = 0.83267418 imperial gallons.
- How do you convert us gallons to imperial gallons?
- Multiply the number of us gallons by 0.832674184629.
- What is 10 gal in gal?
- 10 gal = 8.3267418 gal.