Cone Volume Calculator

Your details

A frustum is a cone with the top sliced off parallel to the base.
Distance from the centre of the circular base to its edge.
cm
Perpendicular distance from the base up to the apex (or top face for a frustum).
cm
Enter a cost per unit volume to estimate the material needed to fill the cone.
Volume
314.1593cm³
Slant height13cm
Lateral surface area204.2035cm²
Base area78.5398cm²
Total surface area282.7433cm²
Half-angle at apex22.62°
Full apex angle45.24°

This cone holds 314.16 cm³.

  • Volume is exactly one third of a cylinder with the same base and height (V = ⅓πr²h).
  • The slant height is 13 cm, the diagonal from base edge to apex, found with √(r² + h²).
  • The apex half-angle is 22.62°. Doubling the radius multiplies volume by four; doubling the height only doubles it.

Next stepFor capacity, 1000 cm³ equals one litre, so divide a cm³ volume by 1000 to read it in litres. For in³ to US gallons, divide by 231.

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