A sphere is a perfectly symmetrical space in which all points on the surface are the same distance “r” from the centre. It has no edges or
vertices (corners), and It has one surface.
Sphere Surface Area & Volume Calculator
For quick and accurate measurements, try our circle area calculator online to instantly compute area, circumference, and diameter for any circular shape.
Sphere Surface Area Formula
The surface area of a sphere can be calculated using the following formula, where r is the radius of the sphere
Surface Area = 4 × π × r2
Sphere Volume Formula
Volume = (4/3) × π × r3