UK gallon to Liter Converter
1 gal (UK) = 4.54609 L — convert instantly with formula and table.
Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.
Quick answer: one uk gallon equals 4.5461 liters. So to convert UK gallons to liters, multiply by 4.54609.
How to convert UK gallons to liters
liters = UK gallons × 4.54609
The imperial (UK) gallon is 4.54609 liters — about 20% larger than the US gallon. Confusing the two is a classic source of fuel-economy errors.
The liter (1,000 cubic centimeters) is the everyday metric volume: bottled water, fuel and engine displacement are all sold by the liter.
UK gallon to Liter conversion table
| UK gallon (gal (UK)) | Liter (L) |
|---|---|
| 0.01 gal (UK) | 0.045461 L |
| 0.1 gal (UK) | 0.454609 L |
| 0.25 gal (UK) | 1.1365 L |
| 0.4 gal (UK) | 1.8184 L |
| 0.75 gal (UK) | 3.4096 L |
| 1.25 gal (UK) | 5.6826 L |
| 1.75 gal (UK) | 7.9557 L |
| 2.5 gal (UK) | 11.3652 L |
| 3.5 gal (UK) | 15.9113 L |
| 4.5 gal (UK) | 20.4574 L |
| 6 gal (UK) | 27.2765 L |
| 8 gal (UK) | 36.3687 L |
| 10 gal (UK) | 45.4609 L |
| 12 gal (UK) | 54.5531 L |
| 14 gal (UK) | 63.6453 L |
| 16 gal (UK) | 72.7374 L |
| 18 gal (UK) | 81.8296 L |
| 20 gal (UK) | 90.9218 L |
| 24 gal (UK) | 109.1062 L |
| 26 gal (UK) | 118.1983 L |
| 30 gal (UK) | 136.3827 L |
| 35 gal (UK) | 159.1132 L |
| 45 gal (UK) | 204.5741 L |
| 55 gal (UK) | 250.035 L |
| 65 gal (UK) | 295.4959 L |
| 75 gal (UK) | 340.9568 L |
| 85 gal (UK) | 386.4177 L |
| 95 gal (UK) | 431.8786 L |
| 110 gal (UK) | 500.0699 L |
| 125 gal (UK) | 568.2613 L |
| 175 gal (UK) | 795.5658 L |
| 250 gal (UK) | 1,136.52 L |
| 350 gal (UK) | 1,591.13 L |
| 450 gal (UK) | 2,045.74 L |
| 600 gal (UK) | 2,727.65 L |
| 750 gal (UK) | 3,409.57 L |
| 900 gal (UK) | 4,091.48 L |
| 1,500 gal (UK) | 6,819.14 L |
| 2,500 gal (UK) | 11,365.23 L |
| 10,000 gal (UK) | 45,460.9 L |
Need the opposite direction? Use the Liter to UK gallon converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many liters are in one uk gallon?
One uk gallon equals 4.5461 liters. Multiply any uk gallon value by 4.54609 to get liters.
What is 10 UK gallons in liters?
10 UK gallons equal 45.4609 liters (10 × 4.54609).
Is the uk gallon to liter conversion exact?
The conversion factor used here (4.54609) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.