Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 L | 0.000219969 gal(UK) | |
| 0.01 L | 0.00219969 gal(UK) | |
| 0.1 L | 0.0219969 gal(UK) | |
| 1 L | 0.219969 gal(UK) | |
| 5 L | 1.09985 gal(UK) | |
| 10 L | 2.19969 gal(UK) | |
| 50 L | 10.9985 gal(UK) | |
| 100 L | 21.9969 gal(UK) | |
| 1000 L | 219.969 gal(UK) |
Common liter values converted to uk gallon — factor: 1 L = 0.22 gal(UK)
| Liter (L) | UK Gallon (gal(UK)) | Context |
|---|---|---|
| 0.01 L | 0.0022 gal(UK) | Tablespoon |
| 0.05 L | 0.011 gal(UK) | Shot glass |
| 0.1 L | 0.022 gal(UK) | One cup |
| 0.25 L | 0.05499 gal(UK) | One cup |
| 0.5 L | 0.11 gal(UK) | Water bottle |
| 0.75 L | 0.165 gal(UK) | Wine bottle |
| 1 L | 0.22 gal(UK) | Liter bottle |
| 2 L | 0.4399 gal(UK) | Soda bottle |
| 3.785 L | 0.8326 gal(UK) | US gallon |
| 5 L | 1.1 gal(UK) | Small jerrycan |
| 10 L | 2.2 gal(UK) | Large container |
| 20 L | 4.399 gal(UK) | Jerrycan |
| 50 L | 11 gal(UK) | Keg |
| 100 L | 22 gal(UK) | Keg |
| 200 L | 43.99 gal(UK) | Oil drum |
Converting liter to uk gallon comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using uk gallon, or a laboratory protocol may specify volumes in liter that need to be measured with equipment calibrated in uk gallon.
In everyday use, knowing that 5 L = 1.1 gal(UK) and 10 L = 2.2 gal(UK) covers most common situations. For bulk calculations, 100 L = 22 gal(UK) is a useful anchor. The reverse conversion — uk gallon back to liter — uses the factor 4.546, so 1 gal(UK) = 4.546 L.
All conversions use the internationally recognized factor of exactly 1 L = 0.22 gal(UK). Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: UK Gallon = Liter × 0.21996925
Multiply any liter value by 0.21996925 to get uk gallon. One liter equals 0.21996925 gal(UK).
Reverse: Liter = UK Gallon × 4.54609
Liters ÷ 4.546 = UK gallons. Round to ÷ 4.5 for quick estimates (1% error).
Five liters is about 1.1 Imperial gallons.
One UK gallon = 1.2 US gallons — always larger than the US version.
Measures fermentation batches, keg volumes (50 L), and canning runs in liters for recipe consistency.
Specifies fuel tank capacity (40-70 L) and engine coolant volumes in liters.
Calibrates volumetric flasks, graduated cylinders, and bulk reagent purchases in liters.
Estimates pool capacity in liters to calculate pump sizing and chemical dosing.
Designs drip and sprinkler systems with flow rates in liters per hour per emitter.
Prepares bulk IV solutions, disinfectants, and liquid medications in liter batches.
The liter was introduced by the French metric system in 1793, defined as the volume of one kilogram of pure water at 4°C. The word derives from the older French unit litron, from Medieval Latin litra. It was redefined in 1964 as exactly 1 cubic decimeter.
France adopted the liter as part of revolutionary metric standardization, spreading across Europe with Napoleonic expansion. Today it is the standard unit for liquids in most of the world, from soda bottles to fuel pumps.
Interesting fact: A liter of water at 4°C weighs almost exactly 1 kilogram, which is why the kilogram was originally defined through it.
The Imperial gallon was defined by the British Weights and Measures Act of 1824 as the volume of ten pounds of water at 62°F, later fixed to exactly 4.54609 liters in 1985.
UK gallons are still used in Britain for fuel pricing. Road signs show consumption in miles per Imperial gallon, making UK cars appear more fuel-efficient than identical US models.
Interesting fact: 1 Imperial gallon = 1.20095 US gallons. Confusing the two has caused real-world errors in cross-border fuel cost calculations.