What units does the volume calculator use?

Any unit you enter — the result is in cubic units of the same type.

How is surface area calculated?

Each shape has its own surface area formula. For a cube it is 6a².

Volume Calculator - 3D Shape Volume and Surface Area

How to calculate volume

Built for speed, clarity, and SEO depth.

This volume calculator covers five common 3D shapes: cube, sphere, cylinder, cone, and rectangular box. Enter dimensions to get volume and surface area instantly.

Volume Formulas

Standard formulas for common 3D shapes.

Sphere

V = (4/3)πr³

r = radius

Cylinder

V = πr²h

r = radius, h = height

Cube

V = a³

a = side length

Frequently Asked Questions

Related Calculators

View all calculators

Perform instant arithmetic with clean result summaries.

Open Calculator

Find any side of a right triangle using a² + b² = c².

Open Calculator

Run trigonometric and logarithmic functions quickly.

Open Calculator

Try Next Tool

Basic

Perform instant arithmetic with clean result summaries.

Open tool

Percentage

Find percentage value, increase, and decrease in seconds.

Open tool

Age

Find exact age in years, months, and days.

Open tool