Convert Imperial Gallons to Liters

Convert imperial gallons to liters instantly. Type a value below, check the formula and table, then see how the same gal (imp) to L conversion looks as a single line in Notes Calculator.

gal (imp) 454.609 L

Imperial Gallons to Liters formula

One imperial gallon is 4.54609 liters, so L = gal (imp) × 4.54609. For the reverse, multiply liters by 0.219969, or use the Liters to Imperial Gallons converter.

Imperial Gallons to Liters conversion table

Imperial Gallons (gal (imp))Liters (L)
14.54609
29.09218
522.7305
1045.4609
2090.9218
25113.652
50227.305
100454.609
2501,136.52
5002,273.05
1,0004,546.09

Imperial Gallons to Liters in Notes Calculator

Notes Calculator is a notepad that does math. Write 100 gallons to liters on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix imperial gallons and liters without a separate converter.

Imperial Gallons to Liters
NoteResult
100 gallons to liters 454.61 L
100 gallons in liters 454.61 L
10 liters as gallons 2.20 gal
Results shown exactly as the app prints them with the default two-decimal setting.

See the unit conversion docs for mixing units in one expression, or open the free web app and try it.

FAQ

Frequently asked questions

How many liters are in one imperial gallon?
One imperial gallon equals 4.54609 liters. To convert imperial gallons to liters, multiply by 4.54609; to go back, multiply by 0.219969.
How do I convert imperial gallons to liters in Notes Calculator?
Type the value, the unit, and the target unit on one line: 100 gallons to liters. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
Is this imperial gallons to liters converter free?
Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.

Convert imperial gallons to liters without leaving your notes.

Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.

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