/convert/imperial-gallons-to-l/ Convert Imperial gallons to liters instantly with a reference conversion table. article Imperial gallons to liters Converter — 247QuickTools
💧 Volume

Imperial gallons to liters Converter

Convert Imperial gallons to liters instantly with a reference conversion table.

Quick answer: To convert Imperial gallons to liters, multiply by 4.54609. For example, 1 Imperial gallons = 4.54609 liters. Use the calculator below for any value.
Imperial gallons to liters
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Common conversions
Imperial gallons liters
Formula:

How to convert Imperial gallons to liters

1

Enter your value

Type the number of imperial gallons you want to convert into the left box. The result in liters appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — liters to Imperial gallons. Your current value carries across so you don't have to re-enter anything.

3

About Imperial gallons and liters

Imperial gallons and liters are common volume measurements.

📊 Common conversions at a glance
Imperial gallons liters
0.5 2.273
1 4.546
2 9.092
5 22.73
10 45.46
20 90.92
Reviewed for 2026. Imperial gallons ↔ liters conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

How do I convert Imperial gallons to liters?

To convert Imperial gallons to liters, multiply by 4.54609. Or use the calculator above for instant results.

How many liters are in 1 Imperial gallons?

1 Imperial gallons equals 4.54609 liters.

Is the Imperial gallons to liters converter free?

Yes, the Imperial gallons to liters converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.