KLOORASphere Volume and Surface Area Calculator
Find the volume and surface area of a sphere from its radius.
Quick answer: Sphere Volume and Surface Area Calculator: Find the volume and surface area of a sphere from its radius. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Sphere Volume and Surface Area Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
Formula
V = 4/3 pi r^3; A = 4 pi r^2.
Worked example
A sphere of radius 5 has volume 523.6 and surface area 314.16.
Frequently asked questions
What is the volume formula?
V = 4/3 x pi x r cubed.
What is the surface area?
A = 4 x pi x r squared.
Is the Sphere Volume and Surface Area Calculator free?
Yes. It is free, needs no signup and works on any device.