UK gallons to Litres
Type a value in UK gallons and get the result in Litres, calculated exactly.
10 UK gallons = 45.4609 Litres
Precision
Exact factorThis result is exact.
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Formula
L = gal (UK) × 4.54609
To convert UK gallons to Litres, multiply the value by 4.54609.
Worked examples
- 1 gal (UK) × 4.54609 = 4.54609 L
- 10 gal (UK) × 4.54609 = 45.4609 L
- 100 gal (UK) × 4.54609 = 454.609 L
This factor is exact by definition.
Conversion table
| UK gallons (gal (UK)) | Litres (L) |
|---|---|
| 1 | 4.54609 |
| 2 | 9.09218 |
| 3 | 13.63827 |
| 4 | 18.18436 |
| 5 | 22.73045 |
| 6 | 27.27654 |
| 7 | 31.82263 |
| 8 | 36.36872 |
| 9 | 40.91481 |
| 10 | 45.4609 |
| 15 | 68.19135 |
| 20 | 90.9218 |
| 25 | 113.65225 |
| 30 | 136.3827 |
| 40 | 181.8436 |
| 50 | 227.3045 |
| 60 | 272.7654 |
| 70 | 318.2263 |
| 75 | 340.95675 |
| 80 | 363.6872 |
| 90 | 409.1481 |
| 100 | 454.609 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Litres to UK gallons
| Litres (L) | UK gallons (gal (UK)) |
|---|---|
| 1 | ≈ 0.2199692 |
| 2 | ≈ 0.4399385 |
| 3 | ≈ 0.6599077 |
| 4 | ≈ 0.879877 |
| 5 | ≈ 1.099846 |
| 6 | ≈ 1.319815 |
| 7 | ≈ 1.539785 |
| 8 | ≈ 1.759754 |
| 9 | ≈ 1.979723 |
| 10 | ≈ 2.199692 |
| 15 | ≈ 3.299539 |
| 20 | ≈ 4.399385 |
| 25 | ≈ 5.499231 |
| 30 | ≈ 6.599077 |
| 40 | ≈ 8.79877 |
| 50 | ≈ 10.99846 |
| 60 | ≈ 13.19815 |
| 70 | ≈ 15.39785 |
| 75 | ≈ 16.49769 |
| 80 | ≈ 17.59754 |
| 90 | ≈ 19.79723 |
| 100 | ≈ 21.99692 |
Unit definitions
- UK gallons gal (UK)
- The imperial gallon: exactly 4.54609 litres.
- Litres L
- Exactly one cubic decimetre, or 0.001 cubic metres.
Questions people ask
UK gallons to Litres: what is the conversion factor?
One gal (UK) is 4.54609 L.
How do I convert UK gallons to Litres?
Use the formula above. For example, 10 gal (UK) = 45.4609 L.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.