All conversions
| Unit | Value | Copy |
|---|---|---|
| Millilitre (ml) | — | |
| Centilitre (cl) | — | |
| Litre (L) | — | |
| Cubic metre (m³) | — | |
| Teaspoon (US) (tsp) | — | |
| Tablespoon (US) (tbsp) | — | |
| Fluid ounce (US) (fl oz) | — | |
| Cup (US) (cup) | — | |
| Pint (US) (pt) | — | |
| Quart (US) (qt) | — | |
| Gallon (US) (gal) | — | |
| Cubic inch (in³) | — | |
| Cubic foot (ft³) | — | |
| Fluid ounce (UK) (UK fl oz) | — | |
| Pint (UK) (UK pt) | — | |
| Gallon (UK) (UK gal) | — |
From recipes to fuel tanks, convert liquid and dry volumes between metric, US customary and imperial units. Note that US and UK gallons are different sizes.
How to use the Volume Converter
- 1 Type a value in either box — the conversion works in both directions.
- 2 Choose the units to convert volume from and to, or click any row in the table.
- 3 Use the swap button to reverse the conversion, then copy the result.
Formula
1 US gallon = 231 in³ = 3.785411784 L 1 imperial gallon = 4.54609 L 1 US cup = 236.5882365 ml
Worked examples
Input: 50 L
Result: 13.21 US gal
11.00 imperial gal
Input: 2 US cups
Result: 473.18 ml
US vs. imperial units
The US gallon (3.785 L) is about 17% smaller than the imperial gallon (4.546 L) used in the UK. Pints and fluid ounces differ too: a US pint is 16 US fl oz (473 ml), an imperial pint is 20 imperial fl oz (568 ml). This converter labels each unit clearly.
Cooking measures
Recipes from the US use cups and spoons: 1 cup = 16 tablespoons = 48 teaspoons. Metric recipes typically use a 250 ml cup, slightly larger than the US cup.
Frequently asked questions
How many litres are in a US gallon?
3.785411784 litres exactly.
How many ml is a cup?
A US customary cup is about 236.6 ml; a metric cup is 250 ml.
Is a litre the same as a cubic decimetre?
Yes. 1 L = 1 dm³ = 1,000 cm³.
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