math

Surface Area Calculator

Calculate surface area of common 3D shapes.

Inputs

Length (or Radius for Sphere/Cylinder)

Width (or Height for Cylinder)

Height (for Box/Pyramid)

Box (L×W×H=5×3×4)94.000 units²

Sphere (r=5)314.159 units²

Cylinder (r=5, h=3)251.327 units²

Cone (r=5, h=3)170.132 units²

No calculations yet — results will appear here automatically.