Sphere Calculator
About Sphere Calculator
Calculate sphere surface area and volume.
How to Use
Calculate sphere surface area and volume. Enter the Radius values and review the Surface area and Volume outputs after you calculate.
- Open the calculator : Use Sphere Calculator from the Math category.
- Check the inputs : Review the required values and any optional settings.
- Read the formula : Use the formula and notes below to understand how the result is produced.
Common Questions
What formula does the Sphere Calculator use?
Surface area = 4?r?. Volume = 4/3 ?r?.
Which measurement matters most in the sphere calculator?
The radius controls both the surface area and the volume.
Inputs
- Radius
Outputs
- Surface area
- Volume
Formula
surface area = 4*pi*r^2, volume = 4/3*pi*r^3