FreeDev Tools

Volume Converter

Convert volume between liters, gallons, cups, milliliters, cubic meters, and more.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Choose the source unit

    Pick liters, gallons, cups, milliliters, or any of the 13 supported units.

  2. 2

    Enter quantities

    Type one value per line, e.g. 2 or 500.

  3. 3

    Read the conversions

    Each quantity is shown in all volume units at once — copy or download the list.

Frequently Asked Questions

One US gallon is exactly 3.785411784 liters. A UK (imperial) gallon is larger at 4.54609 liters — the tool shows both so you never mix them up.

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