Convert UK gallons to litres
Enter a value in UK gallons (UK gal) to get litres (L). One UK gallon is 4.5461 litres; one litre is 0.219969 UK gallons.
How to use the UK gallon to litre
- Type the number of UK gallons.
- Click Convert.
- Read the result in litres, plus the same value in every other volume unit.
UK gal to L formula
litres = UK gallons × 4.5461. To go the other way, UK gallons = litres × 0.219969 (see litres to UK gallons).
Worked example
12 UK gal × 4.5461 = 54.5531 L.
UK gallons to litres conversion table
| UK gallons | Litres |
|---|---|
| 0.1 UK gal | 0.454609 L |
| 0.5 UK gal | 2.273 L |
| 1 UK gal | 4.5461 L |
| 2 UK gal | 9.0922 L |
| 3 UK gal | 13.6383 L |
| 5 UK gal | 22.7305 L |
| 10 UK gal | 45.4609 L |
| 20 UK gal | 90.9218 L |
| 25 UK gal | 113.6523 L |
| 50 UK gal | 227.3045 L |
| 100 UK gal | 454.609 L |
| 250 UK gal | 1,136.52 L |
| 500 UK gal | 2,273.05 L |
| 1,000 UK gal | 4,546.09 L |
About the UK gallon
Exactly 4.54609 litres, about 20% larger than the US gallon. Still used for fuel economy (mpg) in the UK.
About the litre
1,000 ml, or one cubic decimetre. Fuel, bottled drinks and engine sizes.
Related conversions
Frequently asked questions
How many litres in a UK gallon?
4.5461 litres.
How many UK gallons in a litre?
0.219969 UK gallons.
Is the factor exact?
The factor 4.5461 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.