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Surface Area Calculator

Calculate the surface area of 3D shapes: cube, cuboid, cylinder, sphere, and cone.

Surface Area Result

How Surface Area is Calculated

  • Cube: 6 × side2
  • Cuboid: 2 × (length × width + width × height + height × length)
  • Cylinder: 2 × π × radius × (radius + height)
  • Sphere: 4 × π × radius2
  • Cone: π × radius × (radius + slant height)