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Volume Converter

Convert volume units including liters, gallons, milliliters, cups, fluid ounces, pints, quarts and more. Free and instan

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Volume Converter — liters, gallons, ml, cups, fluid ounces

Convert volume units including liters, gallons, milliliters, cups, fluid ounces, pints, quarts and more. Free and instant.

FAQ

How many ml in a cup?: 1 US cup = 236.588 ml.
How many liters in a gallon?: 1 US gallon = 3.78541 liters.
What is the difference between US and UK gallons?: 1 US gallon = 3.785 L. 1 UK gallon = 4.546 L.

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters