Volume Conversion

Round:
Cup
Gallon
Liter
mL
Fluid Ounce
Pint
Quart
Cubic Centimeter
Cubic Feet
Cubic Meter

Volume Units

The volume units in this calculator tool are based on the metric and the Unites States Customary volume units. To convert all volume units, please check all volume conversions page.

Metric Volume Units

The standard unit of volume in the metric system is cubic metre. All other metric volume units are either the fractions or the multiples of cubic metre. The most frequently used metric volume units are cubic meter, cubic centimeter, liter and milliliter.

Here is the list from cubic meter to other common volume units:

1 Cubic Metre =

  • 4226.7528 US cups
  • 264.1721 US gallons
  • 1000 litres
  • 1000000 millilitres
  • 33814.0227 US fluid ounces
  • 2113.3764 US fluid pints
  • 1056.6882 US fluid quarts
  • 1000000 cubic centimetres
  • 35.3147 cubic feet

Imperial and United States Customary Volume Units

In the imperial and the US Customary system, the volume unit names are the same but the sizes are different. For example, 1 US fluid gallon is 3785.411784 mL compared to the Imperial gallon which is 4546.09 mL.

The other difference between the Imperial and US Customary systems is that the American system has fluid and dry versions of some volume units whereas in the Imperial system, there is only one type. For example, US fluid and dry gallons compared to the Imperial gallon.

Here is the list from the largest (gallon) to the smallest (teaspoon) US volumetric measures:

1 US fluid gallon =

  • 3.785411784 liters
  • 4 fluid quarts
  • 8 fluid pints
  • 16 cups
  • 128 fluid ounces
  • 256 tablespoons
  • 768 teaspoons