Diameter of a Cone Calculator

Your details

Perpendicular height from apex to centre of base.
Distance from apex to any point on the base edge.
Base diameter (d)
10

Diameter of the circular base

Base radius (r)5
Height (h)12
Slant height (l)13
Volume (V)314.1593
Lateral area (A_L)204.2035
Base area (A_B)78.5398
Total surface area (A)282.7433
Half-angle (theta)22.62

Base diameter: 10.0000

  • The base diameter is 10.0000 (the radius is exactly half of this: 5.0000).
  • Volume is 314.1593 cubic units, which is 33.3% of the enclosing cylinder (a cone always holds 1/3 of the cylinder with the same base and height).
  • Total surface area is 282.7433 square units.
  • The half-angle of 22.62 degrees means this cone is moderately proportioned.

Next stepUse the step-by-step panel below to verify the working, or switch the solve mode to start from different known dimensions.

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