Cubic meter
m³
Liter
L
Milliliter
mL
US Gallon
gal
US Quart
qt
US Pint
pt
US Cup
cup
US Fluid Ounce
fl oz
US Tablespoon
tbsp
US Teaspoon
tsp
Cubic inch
in³
Cubic foot
ft³
Click any field to use it as your input — all other units update instantly.
Volume Converter
Convert between liters, gallons, milliliters, cups, pints, quarts and more. Instant volume conversion.
How to convert volume units online for free
- Type any volume value into one of the fields above (no signup needed)
- All units update instantly — litres, gallons, millilitres, cups, fluid ounces, and more
- Click any result to copy — useful for cooking, chemistry, and fuel conversions
Why use our Volume Converter?
Volume conversions are essential in cooking (US cups vs metric), science (mL vs fluid ounces), and automotive (litres vs gallons for fuel economy). The US and UK gallon are different, which trips up many international travellers.
Our converter shows litres, US gallons, UK gallons, millilitres, cups, tablespoons, fluid ounces, and more — all in one place. Type once and all units update instantly.
Everything runs in your browser. No account, completely free.
Frequently asked questions
- How many milliliters are in a cup?
- One US cup equals exactly 236.588 mL. This is a commonly used cooking and baking measurement in the US.
- How do I convert liters to gallons?
- Divide the liter value by 3.78541 (US gallon). For example, 10 L ÷ 3.78541 = 2.64 US gallons. Type in the L field above and the gallon result appears instantly.
- What is the difference between a US gallon and a UK gallon?
- A US gallon is 3.785 liters; a UK (imperial) gallon is 4.546 liters. They differ by about 20%. This converter uses the US gallon.
- How many cups are in a liter?
- One liter equals about 4.227 US cups. Conversely, one US cup is about 0.2366 liters (236.6 mL).
- How many tablespoons are in a cup?
- There are exactly 16 US tablespoons in one US cup. One tablespoon equals 3 teaspoons, and one cup equals 48 teaspoons.