How do I convert Imperial Gallons to Liters?
Use the formula L = imp gal × 4.54609. Enter any imp gal value and CalcuNimble calculates L instantly.
Convert Imperial Gallons to Liters
Use this imp gal to L converter for fast everyday calculations, quick reference values, and the exact formula behind the result.
Imperial Gallons to Liters Converter
Convert Imperial Gallons (imp gal) to Liters (L) instantly.
Imperial Gallons to Liters: aviation and UK fuel conversion
Convert imperial gallons to liters for aviation fuel, UK fuel purchases, and historical recipes that use the imperial gallon.
Formula
The formula is L = imp gal × 4.54609. Multiply imperial gallons by 4.54609 to get liters.
Worked example
10 imp gal = 10 × 4.54609 = 45.46 L. This is a typical fuel load for a small aircraft.
Common Reference Values
| Imperial Gallons | Liters | Context |
|---|---|---|
| 1.0 imp gal | 4.55 L | 1 imp gal |
| 5.0 imp gal | 22.73 L | 5 imp gal |
| 10 imp gal | 45.46 L | 10 imp gal |
| 50 imp gal | 227.3 L | 50 imp gal |
| 100 imp gal | 454.61 L | 100 imp gal |
Practical guidance
Aviation fuel
Aircraft fuel is often measured in imperial gallons in some regions. Converting to liters ensures accurate fuel load calculations and weight-and-balance sheets.
UK fuel purchases
Fuel in the UK is sold by the liter, but older vehicles may list tank capacity in imperial gallons. Converting helps you estimate range and costs.
Mistake: using US gallons
An imperial gallon (4.546 L) is larger than a US gallon (3.785 L). Confusing the two leads to a 20% error. Use 4.54609 for imperial conversions.
Frequently asked questions
What is the imp gal to L formula?
L = imp gal × 4.54609
Can I use decimals for imp gal to L?
Yes. The converter supports decimal input and shows up to 6 decimal places for accurate daily use.
When is imp gal to L conversion commonly used?
Useful for aircraft fuel calculations, altitude conversions, and aviation standards.
How can I convert Liters back to Imperial Gallons?
Use the swap button in the converter card or open L to imp gal at /convert/l-to-impgal/.