Gallons (uk) to Litres Converter
Convert gallon (UK) to litre instantly. Type a value below — the result updates as you type.
When you need to convert gallon (UK) to litre
Volume conversions show up most in the kitchen and at the pump — scaling a recipe written for another country, dosing a liquid, or comparing fuel and drink sizes between metric and US/UK measures.
Typical values: 0.5 gal is about 2.273 L, and 100 gal works out to roughly 454.609 L. Because the ratio is fixed at 4.5461, you can scale any amount linearly — doubling the gallons (UK) doubles the litres.
US and UK 'cups', 'pints' and 'gallons' differ, so always check which system a recipe or label uses before converting.
How to convert gallon (UK) to litre
One gallon (UK) equals 4.5461 litres. To convert, multiply the number of gallons (UK) by 4.5461:
litres = gallons (UK) × 4.5461
For example, 10 gallons (UK) × 4.5461 = 45.4609 litres.
Gallons (uk) to litres conversion table
| Volume (gal) | Litres (L) |
|---|---|
| 1 gal | 4.5461 L |
| 2 gal | 9.0922 L |
| 3 gal | 13.6383 L |
| 5 gal | 22.7305 L |
| 10 gal | 45.4609 L |
| 20 gal | 90.9218 L |
| 50 gal | 227.3045 L |
| 100 gal | 454.609 L |
FAQ
How many litres are in a gallon (UK)?
One gallon (UK) = 4.5461 litres.
How do I convert litres back to gallons (UK)?
Divide by 4.5461, or use the litres to gallons (UK) converter.