Math

Cone Volume Calculator

Calculate cone volume, slant height and total surface area from radius and vertical height.

How to use this cone volume calculator

Enter the values requested above and select Calculate. Change any input to compare another scenario. The calculation runs locally in your browser and does not require an account.

Formula and method

Volume = 1/3 πr²h. Slant height = √(r²+h²).

Example

A cone with radius 3 and height 8 has volume 24π, about 75.40 cubic units.

Tips for a useful result

The height is measured perpendicular to the circular base.

What this calculator is useful for

Calculate cone volume, slant height and total surface area from radius and vertical height. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.

Frequently asked questions

What does the Cone Volume Calculator calculate?

Calculate cone volume, slant height and total surface area from radius and vertical height.

How does the Cone Volume Calculator work?

Volume = 1/3 πr²h. Slant height = √(r²+h²).

Is the Cone Volume Calculator free to use?

Yes. ERICH Calculators is free to use and does not require an account.