Volume
Convert US gallon (US gal) to Imperial gallon (Imp gal). Volume sizes tanks, vessels, and batch charges, in m³, litres, US gallons, or barrels.
1 US gal = 0.8326742 Imp gal
To convert US gallon to Imperial gallon, multiply the US gal value by 0.8326742. To go the other way, divide by 0.8326742 (or multiply by 1.20095).
| US gal | Imp gal |
|---|---|
| 1 | 0.8326742 |
| 2 | 1.665348 |
| 5 | 4.163371 |
| 10 | 8.326742 |
| 25 | 20.81685 |
| 50 | 41.63371 |
| 100 | 83.26742 |
| 250 | 208.1685 |
| 500 | 416.3371 |
| 1000 | 832.6742 |
Tank and vessel capacities are quoted in m³ or US gallons; oil volumes in barrels.
A US gallon and an Imperial gallon differ by about 20 % — confirm which one a spec means.
Worked example. A volume of 2641.721 US gal is 2199.692 Imp gal.
Multiply the value in US gal by 0.8326742 to get Imp gal. For example, 10 US gal = 8.326742 Imp gal.
1 US gal equals 0.8326742 Imp gal.
Tank and vessel capacities are quoted in m³ or US gallons; oil volumes in barrels.