Volume Converter (litre, ml, gallon)
Convert ml, litres, cubic metres, US and UK gallons, cups, spoons and fluid ounces.
Result
How to use
- 1
Type the volume you want to convert.
- 2
Pick the From and To units — or press Swap to flip them.
- 3
See the answer, the formula, every other unit and a ready table of common values.
Questions
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 litres; a UK (imperial) gallon is 4.546 litres — about 20% bigger. US and UK fluid ounces differ slightly too.
How many litres are in a cubic metre?
1 cubic metre = 1,000 litres. Water tanks and municipal water bills in India are often measured in kilolitres (1 kL = 1 m³).
What size is a cup?
The US cup is 236.6 ml; the metric cup used in Indian and many international recipes is 250 ml. Tablespoon and teaspoon here are US measures (14.79 ml and 4.93 ml); metric spoons are 15 ml and 5 ml.
About this Volume tool
Volume Converter (litre, ml, gallon) — Convert ml, litres, cubic metres, US and UK gallons, cups, spoons and fluid ounces. It is one of 200 free tools on namasivayam.in, made by software engineer Namasivayam Vadivelan for everyday use in India.
Everything is calculated instantly in your browser: nothing you type or upload is sent to any server, there is no sign-up, and it works on mobile and desktop. Type the volume you want to convert.
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Results are estimates to help you plan. They are not financial, tax or medical advice.