Imperial Gallons to Liters Converter
Imperial Gallons to Liters Converter. Convert imperial fuel quantities. Enter your values and view the result.
Imperial Gallons to Liters Converter
Convert imperial fuel quantities.
Use the calculation engine below to model your exact costs with custom fuel prices, distances, and vehicle efficiencies:
Imperial Gallons to Liters Converter: inputs
Adjust sliders or enter exact figures
Monthly Fuel Budget
Real-Time Visual Breakdown
Comparing your expense against alternative vehicle classes
Price Fluctuation Stress Test
See how unexpected gas price surges would impact your monthly budget
How Imperial Gallons to Liters Converter Works
This tool works by multiplying imperial gallons by 4.54609, the exact number of liters in one imperial gallon.
- Step 1
Enter imperial gallons
Type the volume in imperial gallons, the unit used in the United Kingdom.
- Step 2
Apply the factor
The converter multiplies by 4.54609.
- Step 3
Read liters
The converter shows liters and the US gallon equivalent.
- Step 4
Convert back
Enter liters to get imperial gallons by dividing by 4.54609.
Imperial Gallons to Liters Converter Formula
The formula multiplies imperial gallons by 4.54609.
Liters = Imperial Gallons × 4.54609
US Gallons = Imperial Gallons × 1.20095
- 4.54609
- = liters in one imperial gallon, an exact value
- 1.20095
- = US gallons in one imperial gallon
Worked Example
- A UK owner’s manual lists a 12-imperial-gallon fuel tank.
- Liters = 12 × 4.54609 = 54.6 liters.
- US gallons = 12 × 1.20095 = 14.4 US gallons.
- Fuel at £1.45 per liter fills the tank for 54.6 × £1.45 = £79.10.
Imperial Gallons to Liters Converter Conversion Table
The table lists imperial gallon values with liters and US gallons.
| Imperial Gallons | Liters | US Gallons |
|---|---|---|
| 1 | 4.55 | 1.20 |
| 2 | 9.09 | 2.40 |
| 3 | 13.64 | 3.60 |
| 5 | 22.73 | 6.00 |
| 8 | 36.37 | 9.61 |
| 10 | 45.46 | 12.01 |
| 12 | 54.55 | 14.41 |
| 15 | 68.19 | 18.01 |
| 20 | 90.92 | 24.02 |
| 25 | 113.65 | 30.02 |
| 50 | 227.30 | 60.05 |
| 100 | 454.61 | 120.09 |
What is an Imperial Gallons to Liters Converter?
An Imperial Gallons to Liters Converter is a volume conversion tool that changes imperial gallons into liters.
The imperial gallon, defined as exactly 4.54609 liters, still appears in UK fuel economy figures, older Canadian documents, and some Commonwealth references. Fuel in those countries sells by the liter. The Imperial Gallons to Liters Converter bridges the 2.
One imperial gallon equals 1.2 US gallons, so imperial and US volumes are never interchangeable.
What are the uses of an Imperial Gallons to Liters Converter?
There are 4 main uses of the Imperial Gallons to Liters Converter, including UK tank specs, older Canadian records, and boat fuel.
Read UK tank specs
Convert imperial tank sizes into liters.
Convert older records
Update imperial figures from older Canadian logs.
Size boat fuel
Convert marine tank sizes listed in imperial gallons.
Compare US and UK volumes
Convert imperial gallons into US gallons.