Volume Converter

▲ Top-5 in every most-searched list · no point figure

Convert liters, gallons, cups, fluid ounces, milliliters and cubic meters.

Value

From

Change the value or the units to convert instantly.

Flagship pairs

Quick conversions

From	Equals
1 L	0.264172 US gal
1 US gal	3.78541 L
1 US cup	236.588 mL
1 US fl oz	29.5735 mL

Formula & method

All volumes convert through liters: value × (from-factor ÷ to-factor). 1 US gallon = 3.785411784 L; 1 UK gallon = 4.54609 L.

Worked example

1 L = 0.264172 US gallons. 1 US gallon = 3.78541 L. 1 US cup = 236.588 mL.

FAQ

Are US and UK gallons the same?: No. A US gallon is 3.785 L and a UK gallon is 4.546 L — about 20% larger.
Is a cup the same everywhere?: No. A US customary cup is 236.588 mL; a metric cup is 250 mL.
What is a fluid ounce?: A unit of volume, not weight: 1 US fl oz = 29.5735 mL.

Search-volume figures on this site are public third-party estimates from research done in October 2026, not exact Google data. High search volume does not guarantee clicks: Google often answers calculator and conversion queries directly in the search results.

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