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Volume Converter — Free Online Unit Converter

Volume Converter converts using 1 US gallon = 3.78541 liters = 16 US cups — exact conversion factors between liters, US/imperial gallons and cups. All processing happens client-side in your browser, with nothing sent to a server. Free, unlimited, and no registration needed.

How to use Volume Converter

1. Enter or paste your volume value.
2. Pick the units or target format.
3. Copy the converted result.

Frequently asked questions

What formula does Volume Converter use?

1 US gallon = 3.78541 liters = 16 US cups — exact conversion factors between liters, US/imperial gallons and cups.

Do I need to install anything?

No. Volume Converter runs in any modern browser on desktop or mobile, with nothing to install.

Is there a limit on how many conversions I can do?

No. Conversions run locally in your browser, so there is no quota and no rate limit.

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