Surface Area Calculator

Free online surface area calculator. Surface area of common 3D shapes. Accurate and easy to use.

Select Shape

Radius

Results

Surface Area

314.1593

Lateral Area

314.1593

Volume (ref)

523.5988

Formula: SA = 4πr²

Step-by-step

SA = 4 × π × 5²

SA = 314.15926535899996