Litres to Gallons Converter
Convert litres to UK and US gallons, pints, fluid ounces, cups, millilitres and cubic metres, and back again.
New: please check your results.
- 10 litres in UK gallons
- 2.19969 gallons (UK)
- US gallons
- 2.64172 gallons (US)
- UK pints
- 17.5975 pints (UK)
- US pints
- 21.1338 pints (US)
- UK quarts
- 8.79877 quarts (UK)
- US quarts
- 10.5669 quarts (US)
- Millilitres
- 10,000 ml
- UK fluid ounces
- 351.951 fl oz (UK)
- US fluid ounces
- 338.14 fl oz (US)
- Cups (250 ml)
- 40 cups (250 ml)
- US cups
- 42.2675 US cups
- Tablespoons
- 666.667 tablespoons (15 ml)
- Teaspoons
- 2,000 teaspoons (5 ml)
- Cubic metres
- 0.01 m³
- Cubic feet
- 0.353147 ft³
- Cubic inches
- 610.237 in³
What it does
Convert a volume from one unit to any other: litres to gallons, pints to millilitres, US cups to ml and more. UK (imperial) and US measures are different sizes, so both are shown side by side. Enter the volume, choose its unit, and every other unit appears at once.
How to use it
- Volume
The volume to convert. Choose its unit in the Units box: litres, UK or US gallons and pints, fluid ounces, cups, spoons and more.
Common uses
- Working out fuel, tank or water butt sizes given in gallons.
- Following a recipe that uses cups, pints or fluid ounces.
- Comparing car fuel economy between UK and US figures.
- Working out how much a tank holds. Try the Volume Calculator
The formula
UK gallons = litres ÷ 4.54609US gallons = litres ÷ 3.785411784UK pints = litres ÷ 0.56826125Where:
- UK gallon
- exactly 4.54609 litres: 8 UK pints of 20 fl oz
- US gallon
- exactly 3.785411784 litres: 8 US pints of 16 fl oz
- Cup
- 250 ml in the UK and Australia; a US cup is about 236.6 ml
Spoons are metric: a teaspoon is 5 ml and a tablespoon 15 ml. Results are shown to 6 significant figures.
Worked example
To convert 10 litres to gallons:
- UK gallons: 10 ÷ 4.54609 = 2.19969 gallons (UK)
- US gallons: 10 ÷ 3.785411784 = 2.64172 gallons (US)
Questions people ask
How many litres are in a gallon?
A UK gallon is 4.546 litres and a US gallon is 3.785 litres. The UK gallon is about 20% bigger, which matters when comparing fuel economy or tank sizes from the US.
How many millilitres are in a pint?
A UK pint is 568 ml, the size of a pint of beer or milk. A US pint is smaller, at 473 ml.
Is a cup the same everywhere?
No. Recipes from the UK, Australia and New Zealand usually mean a 250 ml metric cup. American recipes mean a US cup of about 237 ml. The difference is small for most cooking but can matter in baking.
Last checked 26 October 2026