Instantly calculate the volume, surface area, and diameter of any sphere with our free online Sphere Calculator. Whether you know the radius or diameter, get precise results for your math, science, or engineering projects. Quickly find V, A, and d for various applications, simplifying complex geometry problems.
Formula:
The core formulas used in this calculator are derived from the sphere's radius (r):
- Volume (V):
V = (4/3) × π × r3 - Surface Area (A):
A = 4 × π × r2 - Diameter (d):
d = 2 × r
Where:
- r = The radius of the sphere
- π (Pi) ≈ 3.1415926535...
If you input the diameter, the calculator first converts it to the radius (r = d/2) before applying these formulas.