US Gallon to Imperial Gallon (gal to imp gal)
Convert gal to imp gal — Volume converter
One us gallon equals 0.83267379 imp gal, so to convert US gallons to imperial gallons you multiply the value by 0.83267379. A us gallon is smaller than a imperial gallon — going the other way, 1 imp gal = 1.20095 gal. For example, 10 gal = 8.326738 imp gal and 50 gal = 41.63369 imp gal.
1 gal = 0.83267379 imp gal
US Gallon to Imperial Gallon formula
1 US Gallon = 0.83267379 imp gal
Worked examples
- 25 gal = 20.816845 imp gal
- 100 gal = 83.267379 imp gal
US Gallon to Imperial Gallon conversion table
| US Gallon (gal) | Imperial Gallon (imp gal) |
|---|---|
| 1 | 0.83267379 |
| 2 | 1.665348 |
| 3 | 2.498021 |
| 5 | 4.163369 |
| 8 | 6.66139 |
| 10 | 8.326738 |
| 12 | 9.992086 |
| 15 | 12.490107 |
| 20 | 16.653476 |
| 25 | 20.816845 |
| 50 | 41.63369 |
| 100 | 83.267379 |
| 250 | 208.168448 |
| 500 | 416.336896 |
| 1000 | 832.673792 |
Frequently asked questions
How many imperial gallons are in one us gallon?
One us gallon equals 0.83267379 imperial gallons (imp gal).
How many US gallons are in one imperial gallon?
One imperial gallon equals 1.20095 US gallons (gal).
How do you convert US gallons to imperial gallons?
1 US Gallon = 0.83267379 imp gal. Use the calculator above for any value.
What is 5 gal in imp gal?
5 gal = 4.163369 imp gal.
What is 100 gal in imp gal?
100 gal = 83.267379 imp gal.
What is 10 gal in imp gal?
10 gal = 8.326738 imp gal.
What is 20 gal in imp gal?
20 gal = 16.653476 imp gal.
Is a us gallon bigger than a imperial gallon?
No. A us gallon is smaller — one us gallon equals 0.83267379 imperial gallons, while one imperial gallon equals 1.20095 US gallons.