Sphere Calculator
Volume & Surface Area โก
Enter any one value โ radius, diameter, volume, or surface area โ and instantly calculate all the others.
Enter any one value โ radius, diameter, volume, or surface area โ and instantly calculate all the others.
Volume: V = (4/3) ร ฯ ร rยณ
Surface Area: A = 4 ร ฯ ร rยฒ
Radius from volume: r = โ(3V รท 4ฯ)
Radius from surface area: r = โ(A รท 4ฯ)
How does volume scale with radius?
Volume scales with the cube of the radius. Double the radius and the volume increases eightfold. This is why small changes in radius have a large impact on volume.
What is the surface area of a sphere used for?
Surface area calculations are used in manufacturing, packaging design, heat transfer engineering, and astronomy for calculating the surface of planets and stars.