Volume Converter
Convert between metric and US customary volume units — for cooking, fuel and everyday measurements. Type a value and see the result instantly.
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How to Use the Volume Converter
- Enter the volume value.
- Choose the unit you are converting from.
- Choose the unit you want to convert to.
- The converted volume appears immediately.
Common Volume Conversions
- Liters to gallons
- Gallons to liters
- Cups to milliliters
- Milliliters to fluid ounces
- Pints to liters
- Quarts to liters
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Frequently Asked Questions
How do I convert liters to gallons?
Enter the liters, select “Liter (L)” as the source and “Gallon (gal)” as the target. One US gallon equals about 3.78541 liters.
How many milliliters are in a cup?
One US legal cup is 240 milliliters; the US customary cup used in cooking is about 236.588 ml. This converter uses the US customary cup.
What is the difference between a US gallon and an imperial gallon?
A US gallon is 3.78541 liters, while the imperial gallon used in the UK is 4.54609 liters — about 20% larger.
How many fluid ounces are in a liter?
One liter equals about 33.814 US fluid ounces.
Are dry and liquid volume units the same?
Not always. US dry measures (like the dry pint) differ slightly from liquid measures. This converter uses US liquid volume units unless noted.