How to convert imperial gallons to liters
Formula: l = gal (UK) × 4.54609
Worked example: 5 gal (UK) → 5 × 4.54609 = 22.7305 l
Imperial gallons to liters conversion chart
| Imperial gallons (gal (UK)) | Liters (l) |
|---|---|
| 1 gal (UK) | 4.54609 l |
| 2 gal (UK) | 9.09218 l |
| 3 gal (UK) | 13.6383 l |
| 4 gal (UK) | 18.1844 l |
| 5 gal (UK) | 22.7305 l |
| 6 gal (UK) | 27.2765 l |
| 7 gal (UK) | 31.8226 l |
| 8 gal (UK) | 36.3687 l |
| 9 gal (UK) | 40.9148 l |
| 10 gal (UK) | 45.4609 l |
| 12 gal (UK) | 54.5531 l |
| 15 gal (UK) | 68.1913 l |
| 20 gal (UK) | 90.9218 l |
| 25 gal (UK) | 113.652 l |
| 30 gal (UK) | 136.383 l |
| 40 gal (UK) | 181.844 l |
| 50 gal (UK) | 227.305 l |
| 75 gal (UK) | 340.957 l |
| 100 gal (UK) | 454.609 l |
| 250 gal (UK) | 1,136.52 l |
| 500 gal (UK) | 2,273.05 l |
| 1,000 gal (UK) | 4,546.09 l |
What is an imperial gallon?
The imperial gallon is exactly 4.54609 liters, about 20% more than the US gallon. British fuel economy figures in miles per gallon use it, which is why UK mpg numbers look higher than US ones for the same car.
What is a liter?
The liter is the volume of a cube 10 cm on each side, one cubic decimeter. It is the everyday metric unit for drinks, fuel and engine size. One liter is about 1.057 US quarts, or a little more than 4 US cups.