1 imperial gallon = 4.54609 liters
Convert imperial gallons to liters.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
L = gal (UK) × 4.54609
Worked through with a real value: 10 imperial gallons = 45.4609 liters.
Going the other way: gal (UK) = L × 0.219969, so 1 liter = 0.219969 imperial gallons.
What each unit is
- imperial gallon gal (UK)
- 4.546 litres in the UK and imperial systems. Larger than a US gallon.
- liter L
- One thousandth of a cubic metre, the metric unit for liquids and bulk goods.
Where these come from
- 1 imperial gallon = 0.00454609 cubic meters
- 1 liter = 0.001 cubic meters
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| imperial gallons (gal (UK)) | liters (L) |
|---|---|
| 1 | 4.54609 |
| 2 | 9.09218 |
| 3 | 13.6383 |
| 4 | 18.1844 |
| 5 | 22.7304 |
| 6 | 27.2765 |
| 7 | 31.8226 |
| 8 | 36.3687 |
| 9 | 40.9148 |
| 10 | 45.4609 |
| 20 | 90.9218 |
| 25 | 113.652 |
| 50 | 227.304 |
| 75 | 340.957 |
| 100 | 454.609 |
| liters (L) | imperial gallons (gal (UK)) |
|---|---|
| 1 | 0.219969 |
| 2 | 0.439938 |
| 3 | 0.659908 |
| 4 | 0.879877 |
| 5 | 1.09985 |
| 6 | 1.31982 |
| 7 | 1.53978 |
| 8 | 1.75975 |
| 9 | 1.97972 |
| 10 | 2.19969 |
| 20 | 4.39938 |
| 25 | 5.49923 |
| 50 | 10.9985 |
| 75 | 16.4977 |
| 100 | 21.9969 |
Questions
How many liters are in a imperial gallon?
1 imperial gallon = 4.54609 liters.
How do I convert imperial gallons to liters?
Use L = gal (UK) × 4.54609. For example, 10 imperial gallons = 45.4609 liters.
How many imperial gallons are in one liter?
1 liter = 0.219969 imperial gallons.
What is 10 imperial gallons in liters?
10 imperial gallons = 45.4609 liters.
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