Unit Converter
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Free Volume Converter

Convert volume units instantly — liters, gallons, milliliters, fluid ounces, cups, pints, quarts. Type into any field and all update. Free, symmetrical.

How This Converter Works

Volume is used in cooking, chemistry, fuel, and everyday liquids. The US and UK use different gallon sizes, and cooking uses cups and spoons. Our converter handles 13 volume units simultaneously.

Common Conversions

Liters (L)US GallonsUS Fluid OzContext
0.237 L0.0625 gal8 fl ozOne US cup
0.473 L0.125 gal16 fl ozOne US pint
0.946 L0.25 gal32 fl ozOne US quart
1.0 L0.264 gal33.81 fl ozOne liter
3.785 L1.0 gal128 fl ozOne US gallon
4.546 L1.201 gal160 fl ozOne UK gallon

Frequently Asked Questions

1How many liters are in a US gallon?
One US gallon equals 3.78541 liters. The UK imperial gallon is larger at 4.54609 liters.
2How many ml in a cup?
One US cup equals 236.588 mL. A UK cup is 250 mL. Always check which system a recipe uses.
3How many fluid ounces in a liter?
One liter equals 33.814 US fluid ounces, or 35.195 UK fluid ounces. Fluid ounces are a volume unit, not the same as weight ounces.
4What is the difference between US and UK fluid measurements?
The UK uses the imperial system where 1 gallon = 4.546 L, and 1 fluid oz = 28.41 mL. The US uses 1 gallon = 3.785 L and 1 fluid oz = 29.57 mL. Always specify which system when following international recipes.

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