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Sphere Surface Area Calculator

Find the surface area of a sphere with this Sphere Surface Area Calculator.

Radius:
Fill in the radius length of the sphere to find the surface area.

How do you find the surface area of a sphere?

To find the surface area, use this sphere surface area formula:
Sphere Surface Area = 4 x Pi(3.1416) x Radius2

Example: The surface area of a sphere with a radius of length 3 inches:
Sphere Surface Area = 4 x 3.1416 x 32

Calculated out this gives a surface area of 113.0976 Square Inches.

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