To convert volume, enter a value, choose the unit you have and the unit you want. The result updates as you type, with a formula line showing the conversion factor. Open All units to see the value in every unit at once, and choose how many decimal places to show.
How to use the Volume Converter
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1
Enter a value
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2
Choose “from” and “to” units
Use the swap button to reverse.
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3
Copy the result
Features
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Exact factors
Based on internationally defined values.
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All units at once
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Adjustable precision
2 to 8 decimals.
Supported formats
| Unit | In litres |
|---|---|
| 1 teaspoon (US) | 0.00493 |
| 1 cup (US) | 0.23659 |
| 1 US gallon | 3.785411784 |
| 1 UK gallon | 4.54609 |
| 1 cubic metre | 1,000 |
Examples
- 1 US gallon = 3.785 L
- 1 cup (US) = 236.6 mL
- 1 cubic foot = 28.32 L
Privacy and file handling
- Where it runs
- Runs in your browser
Runs entirely in your browser. Your files and text are not uploaded to our servers.
Frequently asked questions
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 L and a UK (imperial) gallon is 4.546 L — both are available here.
How many ml are in a cup?
A US cup is 236.6 mL. Metric cups used in some recipes are 250 mL.
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