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Surface Area of a Sphere Calculator

Results in square metres, centimetres, inches or feet

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Surface Area of a Sphere Calculator

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Measure sphere surface area using diameter or radius

Work out the surface area of a sphere.
Two sphere surface area calculators based on radius or diameter.

Sphere Surface Area Formula

Sphere Surface Area = 4 x pi x radius squared.
Sphere Surface Area = 4 π r2
If inputs are in centimetres then the results are in square centimetres.
If inputs are in inches then the results are in square inches.
If inputs are in metres then the results are in square metres.
If the inputs are in feet then the results are in square feet.

How do I find the surface area of a sphere

Enter the radius or diameter of a sphere and click Get Surface Area Results.
Copy out your surface area of a sphere results. Highlight answer. Ctrl C = copy, Ctrl V = paste.

Sphere Surface Area calculator using radius

Inputs

Radius

Surface Area results

Sphere Surface Area calculator using diameter

Inputs

Diameter

Surface Area results
  • The surface area of a sphere is 4πr²
  • The radius of the sphere is r
  • The diameter D is 2r
  • What is the surface area of a sphere
  • How to calculate the surface area of a sphere
  • The formula for calculating the surface area of a sphere
  • Use one measurement unit for inputs
  • The same measurements unit square is the result

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