Volume of a sphere formula A sphere is a perfectly round geometrical 3D object. The formula for its volume equals: volume = (4/3) × π × r³ Usually, you don't know the radius — but you can measure …

Aug 1, 2025 · Calculate the surface areas, circumferences, volumes and radii of a sphere with any one known variables. Online calculators and formulas for a sphere and other geometry problems.

Mar 10, 2025 · The volume of a sphere is how much space is inside it, and calculating this volume is easy! All you need to do is find the sphere’s radius, then plug it into a simple formula, V = ⁴⁄₃πr³.

Here you will learn about the volume of a sphere, including how to calculate the volume of a sphere given its radius and how to find the volume of a hemi-sphere.

The key is to use the formula of the area of the sphere to determine the radius of the sphere. Then use the value of the radius to calculate its volume using the volume formula that we have been using …

Use this sphere volume calculator to easily calculate the volume of a sphere, given its radius in any metric: mm, cm, meters, km, inches, feet, yards, miles, etc.

Jul 23, 2025 · Using the simple volume of sphere formula, you can easily calculate the space inside any sphere. Whether you're curious about the volume of a solid sphere in math or science, this quick …