Imperial Gallons to Liters Converter
Convert imperial gallons to liters. Free UK gallon to liter calculator for fuel and liquid measurement.Updated 2026-03-15
Formula: L = imp gal × 4.54609
Common Imperial Gallons to Liters Conversions
| Imperial Gallons (imp gal) | Liters (L) |
|---|---|
| 0.5 imp gal | 2.273045 L |
| 1 imp gal | 4.54609 L |
| 2 imp gal | 9.09218 L |
| 3 imp gal | 13.63827 L |
| 4 imp gal | 18.18436 L |
| 5 imp gal | 22.73045 L |
| 10 imp gal | 45.4609 L |
| 15 imp gal | 68.19135 L |
| 20 imp gal | 90.9218 L |
| 25 imp gal | 113.65225 L |
| 30 imp gal | 136.3827 L |
| 50 imp gal | 227.3045 L |
| 100 imp gal | 454.609 L |
How to Convert Imperial Gallons to Liters
To convert imperial gallons to liters, use the formula: L = imp gal × 4.54609
For example, to convert 3 imp gal to L: 3 imp gal = 13.63827 L
💡 This calculator does the conversion instantly as you type. All calculations happen locally in your browser — no data is sent anywhere.
Frequently Asked Questions
How many liters are in an imperial gallon?
1 imperial (UK) gallon equals approximately 4.54609 liters.
What is the difference between US and imperial gallons?
An imperial gallon is about 20% larger than a US gallon. Imperial = 4.546 L, US = 3.785 L.
Where are imperial gallons used?
Imperial gallons are used in the UK, Canada, and some Caribbean countries.
"Imperial Gallons to Liters Converter." ConvKit, conv-kit.com, https://conv-kit.com/tools/imp-gallons-to-liters/. Accessed 2026-03-15.