Sphere Calculator
Volume and surface area of a sphere from radius or diameter.
Volume
904.778684cm³
Surface area
452.389342cm²
Diameter
12cm
Great-circle circumference
37.699112cm
ShowHide the working
- 1Volume = 4/3 × π × 6³ = 904.778684
- 2Surface area = 4π × 6² = 452.389342
Formula
V = 4/3 πr³, A = 4πr²How it works
Volume and surface area of a sphere from its radius.
Example
A radius of 6 gives a volume of 904.78 and a surface area of 452.39.
About the Sphere Calculator
Volume and surface area of a sphere from radius or diameter. It sits in the Geometry section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Sphere Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The Sphere Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the Sphere Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Geometry?
- Area, perimeter, volume and surface area for every common shape. You can browse the full Geometry category for related calculators.