File & Data Converters
UK Gallons to Liters Converter
Enter a value in UK (imperial) gallons to convert it to liters, or switch units to convert the other way.
1 Gallons (UK) = 4.54609 Liters
All Gallons (UK) conversions
Milliliters
4,546.09
Liters
4.54609
Gallons (US)
1.20095
Quarts (US)
4.8038
Cups (US)
19.215199
Fluid ounces (US)
153.72159
How to use this tool
- 1Enter a value in UK gallons.
- 2The result in liters updates instantly.
- 3Use the swap button to convert liters to UK gallons instead.
Frequently asked questions
How many liters is 1 UK gallon?+
1 UK (imperial) gallon equals approximately 4.546 liters.
Is a UK gallon the same as a US gallon?+
No — a UK gallon (4.546 L) is larger than a US gallon (3.785 L); this tool uses the UK definition.