UK Gallons to Liters (Imperial Gallons to L) Converter

Enter UK (imperial) gallons to get liters.

1 UK gallon = 4.54609 L exactly

From
To
4.54609
Try:
Step-by-stepUK gal → L
11 UK gal = 4.54609 Lformula
21 × 4.54609substitute
34.54609 Lresult
URLiunitconverter.com/volume/uk-gallons-to-liters?value=1Open
1 UK gal in every unit
ml
Milliliter
1 ml = 1 cm³
4,546.09 ml
L
Liter
1 L = 1,000 ml
4.54609 L
m³
Cubic meter
1 m³ = 1,000 L
0.00454609 m³
tsp
Teaspoon
US teaspoon ≈ 4.93 ml
922.32954 tsp
tbsp
Tablespoon
US tablespoon = 3 tsp
307.44318 tbsp
US fl oz
US fluid ounce
1/128 US gallon
153.72159 US fl oz
US cup
US cup
US cup = 8 US fl oz
19.215199 US cup
metric cup
Metric cup
AU / NZ / CA recipes
18.18436 metric cup
US pt
US pint
US pint = 16 US fl oz
9.6075994 US pt
US qt
US quart
US quart = 2 US pints
4.8037997 US qt
US gal
US gallon
231 cubic inches
1.2009499 US gal
UK fl oz
UK fluid ounce
1/160 UK gallon
160 UK fl oz
UK pt
UK pint
UK pint = 20 UK fl oz
8 UK pt
UK gal
UK gallon
4.54609 L exactly
1 UK gal

UK gallons to Liters Formula

liters = UK gallons × 4.54609

One UK gallon is 4.54609 liters, by definition, so the conversion is exact. For example, 5 UK gal × 4.54609 = 22.73045 L.

Why UK MPG Looks Better Than US MPG

Fuel economy in the UK is still quoted in miles per UK gallon. Because a UK gallon is larger, the same car gets a higher mpg figure in the UK than in the US.

UK mpgUS mpgLiters per 100 km
30259.4
4033.37.1
5041.65.6
60504.7

Where You Still See UK Gallons

Fuel is sold by the liter in the UK, but gallons survive in mpg figures, garden water butts, fish tanks and older recipes and manuals. Canada and Ireland also used the imperial gallon before going metric.

UK gallons to Liters Table

UK gallons (UK gal)Liters (L)
0.5 UK gal2.273 L
1 UK gal4.5461 L
2 UK gal9.0922 L
3 UK gal13.6383 L
4 UK gal18.1844 L
5 UK gal22.7305 L
6 UK gal27.2765 L
8 UK gal36.3687 L
10 UK gal45.4609 L
12 UK gal54.5531 L
15 UK gal68.1914 L
20 UK gal90.9218 L
25 UK gal113.6523 L
50 UK gal227.3045 L
100 UK gal454.609 L

Common Questions

How many liters are in a UK gallon?
Exactly 4.54609 liters.
How many US gallons are in a UK gallon?
1 UK gallon is 1.2009 US gallons.
Is an imperial gallon the same as a UK gallon?
Yes. Imperial gallon and UK gallon are two names for the same unit.
How do I convert UK mpg to liters per 100 km?
Divide 282.48 by the mpg figure. 40 UK mpg is about 7.1 L/100 km.