Volume and Area of a Sphere
Calculator
Enter the radius, diameter, surface area or volume of a Sphere to find the other three. The calculations are done "live":
images/sphere-vol.js
How to Calculate the Volume and Surface Area
Surface Area = 4 × π × r2
Example: r = 5
Surface Area = 4 × π × r2= 4 × π × 52= 4 × π × 25= 100 π≈ 314
Volume = (4/3) × π × r3
Example: r = 5
Volume = (4/3) × π × r3 = (4/3) × π × 53= (4/3) × π × 125≈ 524