A sphere is a circular shaped 3 dimensional solid figure whose any point on the surface is equidistant to its center. Surface area of sphere is all that area exposed by the sphere outside.

Surface Area formula is given by

Surface area Calculator is a online tool which calculates the surface area of any given sphere if its radius r is entered in the block provided.

## Surface Area Steps

Let us analyze the method of finding the surface area of sphere
The surface area of sphere is given as S = 4 $\pi$ r2