» Surface of a sphere Calculator


Area of a Sphere Calculator: Calculate the surface area of a sphere effortlessly. Perfect for geometry and engineering.


Initial Data


$$S= 4\pi r^{2}$$


Tip: Enter a value as a number, a fraction, or a pi expression such as pi, 1/2 pi, 1 1/2pi, or 2pi.

See also:

2-dimensional shapes

3-dimensional shapes


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