How do you convert imperial gallons to liters?
To convert imperial gallons to liters, multiply the number of imperial gallons by 4.54609. 1 imp gal = 4.54609 L.
Liter = Imperial Gallon × 4.54609
Imperial gallons are not US gallons
An Imperial gallon is used in the British Imperial system and equals exactly 4.54609 liters. It is larger than a US liquid gallon, which equals 3.78541 liters.
Check the source before converting fuel economy, container capacity or a recipe. A label that says only 'gallon' can be ambiguous when the country or measurement system is not stated.
Important: Use this page for Imperial or UK gallons. For US liquid gallons, use the US gallons converter below.
Related tools
Imperial Gallons to liters conversion table
| Imperial Gallons (imp gal) | Liters (L) |
|---|---|
| 1 imp gal | 4.54609 L |
| 2 imp gal | 9.09218 L |
| 5 imp gal | 22.7304 L |
| 10 imp gal | 45.4609 L |
| 20 imp gal | 90.9218 L |
| 50 imp gal | 227.304 L |
| 100 imp gal | 454.609 L |
What is Imperial Gallon?
Imperial Gallon is a volume unit used for liquids, containers, storage and technical capacity calculations.
Short history of Imperial Gallon
Imperial Gallon became established as a practical volume unit in technical, commercial or scientific use.
Open the Imperial Gallon unit guideWhat is Liter?
The liter is a widely used volume unit for liquids and capacities. One liter equals 0.001 cubic meters.
Short history of Liter
The liter became a practical metric volume unit that bridges daily use and technical work.
Open the Liter unit guideFrequently asked questions
What is 1 Imperial Gallon in Liter?
1 imp gal = 4.54609 L. Enter another value in the converter to calculate its equivalent instantly.
How do you convert Imperial Gallon to Liter?
To convert imperial gallons to liters, multiply the number of imperial gallons by 4.54609. 1 imp gal = 4.54609 L.
How precise are the results?
Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.
Is the Imperial Gallon to Liter converter free?
Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.
Frequently asked questions
How many liters are in 1 imperial gallon?
1 imp gal = 4.54609 L.
How do you convert imperial gallons to liters?
To convert imperial gallons to liters, multiply the number of imperial gallons by 4.54609. 1 imp gal = 4.54609 L.
How many imperial gallons are in 1 liter?
1 L = 0.219969 imp gal.
Sources
The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.