Gallons to Imperial Gallons
Convert gallons (gal) to imperial gallons (imp gal). Type in either box; the other updates as you go.
How to convert gallons to imperial gallons
To convert gallons to imperial gallons, divide the number of gallons by 1.200949926.
Example
Convert 5 gallons to imperial gallons:
Gallon to imperial gallon conversion chart
| Gallons (gal) | Imperial Gallons (imp gal) |
|---|---|
| 1 gal | 0.8326742 imp gal |
| 2 gal | 1.665348 imp gal |
| 3 gal | 2.498023 imp gal |
| 4 gal | 3.330697 imp gal |
| 5 gal | 4.163371 imp gal |
| 6 gal | 4.996045 imp gal |
| 7 gal | 5.828719 imp gal |
| 8 gal | 6.661393 imp gal |
| 9 gal | 7.494068 imp gal |
| 10 gal | 8.326742 imp gal |
| 12 gal | 9.99209 imp gal |
| 15 gal | 12.49011 imp gal |
| 20 gal | 16.65348 imp gal |
| 25 gal | 20.81685 imp gal |
| 30 gal | 24.98023 imp gal |
| 40 gal | 33.30697 imp gal |
| 50 gal | 41.63371 imp gal |
| 60 gal | 49.96045 imp gal |
| 70 gal | 58.28719 imp gal |
| 75 gal | 62.45056 imp gal |
| 80 gal | 66.61393 imp gal |
| 90 gal | 74.94068 imp gal |
| 100 gal | 83.26742 imp gal |
| 150 gal | 124.9011 imp gal |
| 200 gal | 166.5348 imp gal |
| 250 gal | 208.1685 imp gal |
| 500 gal | 416.3371 imp gal |
| 1,000 gal | 832.6742 imp gal |
Going the other way? See the imperial gallons to gallons chart.
About the units
Gallon (gal)
A US gallon is 231 cubic inches, about 3.785 liters. It is the unit for fuel and milk in the US. The imperial gallon is about 20% larger.
Imperial Gallon (imp gal)
The imperial gallon is exactly 4.54609 liters, used in the UK and some Commonwealth countries. It is about 1.2 US gallons.
Frequently asked questions
How many imperial gallons are in a gallon?
There are 0.8326741846 imperial gallons in a gallon.
How many gallons are in an imperial gallon?
There are 1.200949926 gallons in an imperial gallon.
How do you convert gallons to imperial gallons?
To convert gallons to imperial gallons, divide the number of gallons by 1.200949926.
What is 5 gallons in imperial gallons?
5 gallons equals 4.16337 imperial gallons.
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