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.

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 …

Jul 23, 2025 · Volume of sphere = (4/3)πr3. Let R = radius of the Outer sphere, r = radius of the inner sphere then. The volume of hollow sphere = Volume of Outer Sphere - Volume of Inner Sphere. …

The total volume of the sphere is found by adding the volumes of all disks for all possible heights you can put those disks inside the sphere. All the possible heights are between -r and r (-r ≤ y ≤ r)

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.

Apr 18, 2025 · Learn how to calculate the volume of a sphere with our easy formula explanation. Includes practical examples, derivation, and an online calculator..

This formula was discovered over two thousand years ago by the Greek philosopher Archimedes. He also realized that the volume of a sphere is exactly two thirds the volume of its circumscribed …

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.