Unit converter
Volume Converter
Convert liquid and cubic volume units, including litres, millilitres, cubic metres, and US gallons.
How the volume converter works
Convert through litres: result = value × source factor ÷ target factor. US customary units are used for teaspoons, tablespoons, cups, fluid ounces, and gallons. Choose the source and target units above. Your conversion is calculated locally in your browser.
1 litre ≈ 0.264172 US gallons.
1 US gallon = 3.785411784 litres.
1 US cup = 236.5882365 millilitres.
Frequently asked questions
How do I use this unit converter?
Enter a value, choose its current unit and the unit you want, then select Convert. The result is calculated in your browser.
Can I convert decimal values?
Yes. Decimal values are supported and the result is rounded only for display.
Are these conversions exact?
The calculator uses the conversion factors shown in its formula. Display rounding can hide digits, so retain more precision when needed.
Can I enter zero or a negative number?
Zero is valid. Negative values are accepted for temperature and angle conversions; other physical quantities must be zero or positive.
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