Convert gallon (us)s to gallon (imperial)s
1 gal = 0.832674184629 gal (imp) — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
How to convert gallon (us)s to gallon (imperial)s
Multiply the number of gallon (us)s by 0.832674184629 to get gallon (imperial)s.
Gallon (US): The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.
Gallon (imperial): Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.
Gallon (US) to Gallon (imperial) conversion table
| Gallon (US)s (gal) | Gallon (imperial)s (gal (imp)) |
|---|---|
| 1 gal | 0.832 674 18 |
| 2 gal | 1.665 348 4 |
| 3 gal | 2.498 022 6 |
| 5 gal | 4.163 370 9 |
| 10 gal | 8.326 741 8 |
| 20 gal | 16.653 484 |
| 25 gal | 20.816 855 |
| 50 gal | 41.633 709 |
| 100 gal | 83.267 418 |
| 250 gal | 208.168 55 |
| 500 gal | 416.337 09 |
| 1000 gal | 832.674 18 |
Gallon (imperial) to Gallon (US) conversion table
| Gallon (imperial)s (gal (imp)) | Gallon (US)s (gal) |
|---|---|
| 1 gal (imp) | 1.200 949 9 |
| 2 gal (imp) | 2.401 899 9 |
| 3 gal (imp) | 3.602 849 8 |
| 5 gal (imp) | 6.004 749 6 |
| 10 gal (imp) | 12.009 499 |
| 20 gal (imp) | 24.018 999 |
| 25 gal (imp) | 30.023 748 |
| 50 gal (imp) | 60.047 496 |
| 100 gal (imp) | 120.094 99 |
| 250 gal (imp) | 300.237 48 |
| 500 gal (imp) | 600.474 96 |
| 1000 gal (imp) | 1200.9499 |
Frequently asked
How many gallon (imperial)s are in a gallon (us)?
One gallon (us) equals 0.8326741846 gallon (imperial)s (gal → gal (imp)). That figure is exact, not rounded.
How do you convert gallon (us)s to gallon (imperial)s?
Multiply the number of gallon (us)s by 0.832674184629 to get gallon (imperial)s.
What is 1 gal (imp) in gallon (us)s?
One gallon (imperial) is 1.200949926 gallon (us)s.
What is 10 gal in gal (imp)?
10 gal = 8.326 741 8 gal (imp).
What exactly is a gallon (us)?
The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.
What exactly is a gallon (imperial)?
Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.