Convert imperial gallons to gallons
Imperial gallons to US gallons. Enter a value to convert, or use the imperial gallons to gallons chart further down the page.
1 imperial gallon equals 1.200949926 US gallons. Going the other way, 1 US gallon = 0.8326741846 imperial gallons.
How to convert imperial gallons to gallons
To convert imperial gallons to US gallons, multiply the imperial gallon value by 1.200949926. You can also divide by 0.8326741846 to get the same answer.
gal = imp gal × 1.200949926
Worked example
Convert 15 imp gal to US gallons:
15 imp gal = 18.01424888 gal
imperial gallons to gallons conversion chart
Use this imperial gallons to gallons table for quick reference without typing anything.
| imperial gallons (imp gal) | US gallons (gal) |
|---|---|
| 0.01 imp gal | 0.01200949926 gal |
| 0.1 imp gal | 0.1200949926 gal |
| 1 imp gal | 1.200949926 gal |
| 2 imp gal | 2.401899851 gal |
| 3 imp gal | 3.602849777 gal |
| 5 imp gal | 6.004749628 gal |
| 10 imp gal | 12.00949926 gal |
| 20 imp gal | 24.01899851 gal |
| 50 imp gal | 60.04749628 gal |
| 100 imp gal | 120.0949926 gal |
| 1,000 imp gal | 1,200.949926 gal |
What is a imperial gallon?
The imperial gallon is exactly 4.54609 liters and is used in the UK and Canada. It is noticeably larger than the US gallon.
What is an US gallon?
The US liquid gallon is exactly 3.785411784 liters, or 231 cubic inches. It is about 17% smaller than the imperial gallon.
Frequently asked questions
How many gallons are in an imperial gallon?
1 imperial gallons equals 1.200949926 gallons. Going the other way, 1 gallons is 0.8326741846 imperial gallons.
How do you convert imperial gallons to gallons?
To convert imperial gallons to US gallons, multiply the imperial gallon value by 1.200949926. You can also divide by 0.8326741846 to get the same answer.
What is 10 imperial gallons in gallons?
10 imperial gallons equals 12.00949926 gallons. The conversion chart on this page lists the other values people look up most often.
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