Cone volume
Find the volume of a right circular cone.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
V = πr²h/3
Variables & units
- Radius
- cm · minimum 0, maximum 1000000000
- Perpendicular height
- cm · minimum 0, maximum 1000000000
Worked example
Radius 3 cm and height 7 cm give 21π cm³.
Assumptions
Use perpendicular height, not slant height.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
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