Volume Converter
Convert between metric and US customary volume units in real time, from liters, milliliters, and cubic meters to gallons, fluid ounces, pints, and quarts.
FreeOnline Tool
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How to Use
- Enter a value in any of the volume fields.
- Every other unit is converted and displayed automatically in real time.
- Edit any field directly and the rest stay in sync.
- Click Copy to grab the converted value you need.
Features
- Metric units including liters (L), milliliters (mL), cubic meters (m3), and cubic centimeters (cm3).
- US and imperial units including gallons (gal), fluid ounces (fl oz), pints (pt), and quarts (qt).
- All units are shown at once, so a single entry gives you every conversion.
- Accurate conversion with results kept to a sensible number of significant figures.
- Calculates in real time, showing results as you type.
Use Cases
Checking imported drink sizes
Convert the fluid ounces or pints printed on an imported bottle into milliliters to see how much you are actually getting.
Converting recipes
Convert gallons, pints, and cups in Western recipes into milliliters or liters so your proportions come out right.
Comparing car fuel tank capacity
Convert an overseas model's tank capacity in gallons into liters to compare it against local specifications.
Buying industrial liquids
Convert gallons or fluid ounces in imported material specifications into liters to match local standards and calculate order quantities.
FAQ
How many liters are in a gallon?
A US gallon is 3.78541 liters and an imperial gallon is 4.54609 liters. They are different, and the US gallon is the one you meet most often on labels.
Is a fluid ounce the same as an ounce of weight?
No. The fluid ounce (fl oz) is a unit of volume, about 29.57 mL, while the ounce (oz) is a unit of weight, about 28.35 g. They are entirely different.
Are cubic centimeters and milliliters the same unit?
Yes, 1 cm3 = 1 mL. They are exactly equivalent, and different fields simply prefer different names.
How do pints and gallons relate?
1 US gallon = 8 US pints, and 1 imperial gallon = 8 imperial pints. Note that US and imperial pints hold different amounts.