How to find the area of a sphere? What's the area of a sphere formula? Use this area of a sphere calculator and quickly estimate all the necessary parameters of a sphere.

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.

It is perfectly symmetrical, and has no edges or vertices. A sphere with radius r r has a volume of 4 3 π r 3 34πr3 and a surface area of 4 π r 2 4πr2. A sphere has several interesting …

Aug 7, 2025 · This formula shows that the surface area of a sphere is directly proportional to the square of its radius. For example, if the radius of a sphere is doubled, its surface area …

Jun 11, 2023 · What is the surface area of a sphere. Learn how to find the surface area of a sphere with formulas and its derivation, examples and diagrams

Given the radius, the total curved surface area of a sphere can be found by using the following formula: S.A. = 4πr 2. pi or π is a special mathematical constant, and it is approximately equal …

Enter the radius, diameter, surface area or volume of a Sphere to find the other three. The calculations are done live:

This formula was discovered over two thousand years ago by the Greek philosopher Archemedes. He also realized that the surface area of a sphere is exactly equal to the area of the curved …

We see surface area all the time in our everyday lives. If we were to pop a basketball, or peel an orange, then lay them flat and measure the total area covered, the result would be their …

Dec 1, 2025 · Here we show a sphere with a radius of 5 units and a right circular cylinder with a radius of 5 units and a height same as the length of the diameter of the sphere. Now try a …