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Volume Converter

Convert volume and capacity between metric and US/UK units — liters, milliliters, gallons, cups, pints and fluid ounces.

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How to use the Volume

  1. Enter the number you want to convert in the Value field.
  2. Pick the unit you're converting From and the unit you want To.
  3. Read the converted result, or use to swap the two units.
  4. Check the All units table to see your value expressed in every supported unit at once.

Privacy: this tool runs entirely in your browser. Your input is never sent to, received by, or stored on any server — there are no uploads and no tracking of what you enter.

About Volume

Metric and US/UK volumes

Liters and milliliters are metric; gallons, quarts, pints, cups and fluid ounces differ between the US and UK. This tool keeps them separate.

Cooking conversions

1 US cup is about 236.6 ml, 1 tablespoon about 14.79 ml, 1 teaspoon about 4.93 ml — useful for foreign recipes.

US vs UK gallons

A US gallon is 3.785 L; a UK gallon is 4.546 L, so always check which is meant.

Frequently asked questions

Is a US cup the same as a UK cup?
No — a US cup is about 236.6 ml. Use metric ml for accuracy.
US or UK gallon?
They differ — US 3.785 L, UK 4.546 L. Both are included.
Can I convert teaspoons and tablespoons?
Yes, both are supported.

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