Cone Volume Calculator
Volume, slant height and surface area of a cone from radius and height.
How to use
Enter radius and height, then click Calculate. Everything runs in your browser — nothing is uploaded or stored.
Frequently asked questions
What is the volume of a cone with r=3, h=6?
About 56.5 cubic units.
What is slant height?
The diagonal from tip to base edge: √(r² + h²).
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