Convert Imperial gallons to liters
1 imp gal = 4.54609 L. Change the amount below, or read the formula and the reference table further down.
1 Imperial gallon equals
liters
1 imp gal = 4.54609 L
The formula
Imperial gallons and liters both measure volume from the same zero, so a single multiplier does the job.
L = imp gal × 4.54609
Going the other way? Convert liters to Imperial gallons.
Imperial gallons to liters table
Common values, rounded for reading.
| Imperial gallons (imp gal) | Liters (L) |
|---|---|
| 1 | 4.5461 |
| 2 | 9.0922 |
| 3 | 13.6383 |
| 4 | 18.1844 |
| 5 | 22.7305 |
| 6 | 27.2765 |
| 7 | 31.8226 |
| 8 | 36.3687 |
| 9 | 40.9148 |
| 10 | 45.4609 |
| 15 | 68.1914 |
| 20 | 90.9218 |
| 25 | 113.65 |
| 30 | 136.38 |
| 40 | 181.84 |
| 50 | 227.3 |
| 75 | 340.96 |
| 100 | 454.61 |
| 250 | 1,136.52 |
| 500 | 2,273.05 |
| 1,000 | 4,546.09 |
Questions people ask
- How many liters are in a Imperial gallon?
- One Imperial gallon equals 4.54609 liters.
- How do I convert Imperial gallons to liters by hand?
- Multiply the number of Imperial gallons by 4.54609. For a rough check, 4.5 is close enough for most everyday use.
- What is 1 Imperial gallon in liters?
- 1 Imperial gallon is 4.54609 liters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.