Volume Calculator

What is the Volume Calculator?

Volume measures how much three-dimensional space an object takes up — or how much it can hold. You need it when filling a fish tank, estimating concrete for a slab, calculating how much liquid a container holds, or sizing a box for shipping. CalciHub's volume calculator covers the most-used solid shapes: cube, rectangular prism, cylinder, cone, sphere, and pyramid. Enter the dimensions and get an answer in the unit you need.

How Does It Work?

Each shape has a specific formula:

Cube: V = side³

Rectangular Prism: V = length × width × height

Cylinder: V = π × radius² × height

Cone: V = (1/3) × π × radius² × height

Sphere: V = (4/3) × π × radius³

Pyramid: V = (1/3) × base area × height

V = volume (the output)

π ≈ 3.14159

All measurements must be in the same unit

How to Use CalciHub's Volume Calculator

1. Select the shape from the list.

2. Enter the required dimensions — the fields adjust for each shape.

3. Pick your unit of measurement.

4. Click Calculate to see the volume.

5. For shipping or packing purposes, compare the volume of your item to the container to check if it fits.

Tip: A sphere only needs one measurement (the radius), so do not confuse radius with diameter. Diameter is twice the radius — entering the wrong one gives a result that is four times too large.

A Quick Example

A cylindrical water tank has a radius of 0.6 meters and a height of 1.2 meters. How much water can it hold?

Formula: V = π × radius² × height

= 3.14159 × (0.6)² × 1.2

= 3.14159 × 0.36 × 1.2

= 1.357 cubic meters

That is approximately 1,357 liters of water (since 1 cubic meter = 1,000 liters). Useful for planning water storage or pump capacity.

Frequently Asked Questions