Volume of a Sphere Calculator

#post_title | Mometrix Academy

Use this calculator to help you quickly determine any volume of a sphere.

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Knowing how to solve the volume of a sphere is an important math concept to understand. To find the volume, all you need is the radius! Remember, the radius of a sphere is half its diameter.

Diagram of a sphere with radius labeled "r" and diameter labeled "d."

The formula for the volume of a sphere is \(V = \frac{4}{3}\pi r^3\), where \(V=\) volume and \(r=\) radius.

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by Mometrix Test Preparation | Last Updated: February 18, 2026