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Milliliter		ml
Centiliter		cl
Deciliter		dl
Liter		l
Cubic Meter		m³
Cubic Centimeter		cm³
Cubic Millimeter		mm³
Cubic Foot		ft³
Cubic Inch		in³
Cubic Yard		yd³
Gallon (US)		gal
Quart (US)		qt
Pint (US)		pt
Cup (US)		cup
Fluid Ounce (US)		fl oz
Tablespoon (US)		tbsp
Teaspoon (US)		tsp

Understanding Volume And Capacity

Volume refers to the amount of three-dimensional space an object or substance occupies, and it’s measured in units like cubic meters or liters. Capacity, on the other hand, usually describes how much a container can hold—most often used for liquids or pourable materials. While volume is a more general physical property, capacity is a practical application of it, typically dealing with usable space. So, your water bottle might have a volume of 1 liter, but its capacity is what tells you it can hold exactly that much water.

While volume and capacity are closely related, their formulas depend on the shape or container you’re working with. Here’s a quick breakdown:

Common Volume Formulas

Cube:

V=s3V = s^3

where s is the length of a side.

Rectangular Prism (box):

V=l×w×hV = l \times w \times h

where l is length, w is width, and h is height.

Cylinder:

V=πr2hV = \pi r^2 h

where r is radius and h is height.

Sphere:

V=43πr3V = \frac{4}{3} \pi r^3

Cone:

V=13πr2hV = \frac{1}{3} \pi r^2 h

Capacity

Capacity is typically expressed in liters or milliliters, and for most containers, it uses the same formulas as volume—but focuses on the internal usable space. For example, if you’re measuring the capacity of a jug, you’d calculate its internal volume using the formula that matches its shape, then convert cubic units to liters if needed: