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Volume Converter

Convert volume between metric and US customary units: liters, milliliters, cubic meters, US gallons, quarts, pints, cups, fluid ounces, tablespoons, and teaspoons. Great for scaling recipes, converting fuel volumes, or lab work — all conversions use exact US customary definitions.

Converters

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This tool runs entirely in your browser. Your data is never uploaded to a server.

How to use

3 clear steps.

  1. Enter the volume you want to convert.

  2. Select the unit you're starting from (e.g. cups).

  3. Select the target unit (e.g. milliliters) and read the result.

Good to know

Frequently asked questions

How many milliliters are in a US cup?
One US cup is 236.588 ml (8 US fluid ounces). Note that a metric cup, used in some recipes, is 250 ml.
How many liters are in a US gallon?
One US gallon equals exactly 3.785411784 liters. An imperial (UK) gallon is larger at about 4.546 liters.