Cone Volume Calculator

Enter radius and height to calculate one-third πr²h.

Radius

Height

Cone volumeVolume and surface reference

—Volume

—Total surface area

—Lateral area

Cone reverse solve & slant geometry

Calculate cone volume and reverse-solve radius or height from a target volume. Slant height and lateral/total surface area add fabrication context that a cylinder does not share.

RadiusHeightTarget volume

—Volume

—Slant height

—Total surface area

—Radius for target V

Ready.

Quantity	Formula	Value	Geometry role

Use consistent measurements and valid geometric assumptions

Keep linear inputs in a consistent unit, verify that side lengths or coordinate points can form the stated shape, and treat sketches as explanatory unless explicitly marked to scale. Coordinate formulas can become unstable for nearly degenerate shapes, so invalid or nearly collinear inputs are rejected rather than silently returning misleading values.