Sphere Calculator
Calculate the volume and surface area of a sphere from its radius.
- Volume
- 523.5988
- Surface area
- 314.1593
Enter a radius to get the sphere's volume (4/3·π·r³) and surface area (4·π·r²) instantly.
How to use
- Enter the radius of the sphere.
- The volume and surface area update automatically.
- Copy the results into your work.
Frequently asked questions
- How is sphere volume calculated?
- Volume equals four-thirds times pi times the radius cubed (4/3·π·r³).
- What is the surface area formula?
- The surface area of a sphere is four times pi times the radius squared (4·π·r²).