How to convert UK gallons to litres
L = gal (UK) × 4.54609
Example: 5 gal (UK) × 4.54609 = 22.73045 L
UK Gallons to Liters table
| UK Gallons (gal (UK)) | Liters (L) |
|---|---|
| 0.5 gal (UK) | 2.273045 L |
| 1 gal (UK) | 4.54609 L |
| 2 gal (UK) | 9.09218 L |
| 3 gal (UK) | 13.63827 L |
| 4 gal (UK) | 18.18436 L |
| 5 gal (UK) | 22.73045 L |
| 6 gal (UK) | 27.27654 L |
| 7 gal (UK) | 31.82263 L |
| 8 gal (UK) | 36.36872 L |
| 9 gal (UK) | 40.91481 L |
| 10 gal (UK) | 45.4609 L |
| 15 gal (UK) | 68.19135 L |
| 20 gal (UK) | 90.9218 L |
| 25 gal (UK) | 113.65225 L |
| 30 gal (UK) | 136.3827 L |
| 40 gal (UK) | 181.8436 L |
| 50 gal (UK) | 227.3045 L |
| 75 gal (UK) | 340.95675 L |
| 100 gal (UK) | 454.609 L |
| 250 gal (UK) | 1,136.5225 L |
| 500 gal (UK) | 2,273.045 L |
| 1,000 gal (UK) | 4,546.09 L |
About these units
UK Gallons (gal (UK)): The imperial (UK) gallon is exactly 4.54609 litres – about 20% larger than the US gallon.
Liters (L): A litre is 1,000 cm³ (one cubic decimetre). Drinks, fuel and liquids are sold in litres in most countries.
Frequently asked questions
How many litres are in 1 UK gallon?
1 UK gallon (gal (UK)) equals 4.54609 litres.
How do I convert gal (UK) to L?
Multiply the value in UK gallons by 4.54609. For example, 5 gal (UK) × 4.54609 = 22.73045 L.
How do I convert litres back to UK gallons?
Multiply by 0.2199692483 (or divide by 4.54609). 1 L = 0.2199692483 gal (UK).
What is an UK gallon?
The imperial (UK) gallon is exactly 4.54609 litres – about 20% larger than the US gallon.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every volume unit at once? Use the Volume Converter.