Sphere Volume Calculator
Sphere volume and surface area.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Volume
- 523.5988
- Surface area
- 314.1593
- Diameter
- 10
- Great circle circumference
- 31.4159
- Volume in litres (if cm)
- 0.5236
Quick answer
A sphere's volume is (4/3)πr³ and its surface area is 4πr².
V = (4/3)πr³, A = 4πr²
How to use the Sphere Volume Calculator
- 1Enter the sphere's radius.
- 2Read volume and surface area.
- 3Halve the diameter if that is what you measured.
Frequently asked questions
How do I get radius from volume?
r = ∛(3V/4π).
Why 4πr²?
It is the derivative of the volume formula with respect to radius.