This converter turns liters into imperial gallons instantly, using the exact factor 1 liter = 0.2199692483 imperial gallons. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
One cubic decimetre — the everyday metric unit for drinks and fuel. Exactly 4.54609 litres, about 20% larger than the US gallon.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
liters- The amount you are converting, measured in liters
0.2199692483- The exact number of imperial gallons in one liter
imperial gallons- The converted result
How it works, step by step
- Enter the number of liters you want to convert.
- The value is multiplied by 0.2199692483, the exact conversion factor.
- The result is displayed in imperial gallons, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 liters
Multiply 5 by 0.21996925. That gives 1.0998 imperial gallons. A quick sanity check: one liter is smaller than one imperial gallon, so the number should get smaller — and it does.
Converting 72 liters
72 × 0.21996925 = 15.8378 imperial gallons. Working backwards, 15.8378 ÷ 0.21996925 returns 72 liters, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many imperial gallons are in one liter?
Exactly 0.2199692483. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert liters to imperial gallons?
Imperial Gallons = liters × 0.2199692483. To reverse it, divide instead: liters = imperial gallons ÷ 0.2199692483, which is the same as multiplying by 4.54609.
Is the liter bigger than the imperial gallon?
No. One liter is only 0.219969 of a imperial gallon, so the imperial gallon is the larger unit.
Why does my answer differ slightly from other liters to imperial-gallons converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a liter?
One cubic decimetre — the everyday metric unit for drinks and fuel.
What is a imperial gallon?
Exactly 4.54609 litres, about 20% larger than the US gallon.
Liters to imperial gallons reference table
| Liters | Imperial Gallons |
|---|---|
| 0.5 L | 0.109985 gal |
| 1 L | 0.219969 gal |
| 2 L | 0.439938 gal |
| 3 L | 0.659908 gal |
| 5 L | 1.0998 gal |
| 10 L | 2.1997 gal |
| 15 L | 3.2995 gal |
| 20 L | 4.3994 gal |
| 25 L | 5.4992 gal |
| 50 L | 10.9985 gal |
| 75 L | 16.4977 gal |
| 100 L | 21.9969 gal |
| 250 L | 54.9923 gal |
| 500 L | 109.9846 gal |
| 1000 L | 219.9692 gal |
Exact factor: 1 liter = 0.2199692483 imperial gallons. Values rounded for display.