Cone Volume Calculator

Find the volume and surface area of a cone.

Quick answer: Cone Volume Calculator: Find the volume and surface area of a cone. Everything runs in your browser, so nothing you enter is uploaded or stored.

Radius

Height

How to use Cone Volume Calculator

Enter your values in the fields.
The results update instantly as you type.
Note or copy the numbers you need.

Features

Instant results
Free, no signup
Runs in your browser, nothing is uploaded
Works on phone and desktop

Formula

V = 1/3 pi r^2 h.

Worked example

Radius 3 and height 7 give volume 65.97.

Frequently asked questions

What is the formula?

V = 1/3 x pi x r squared x h.

How is slant height found?

sqrt(r squared + h squared).

Is the Cone Volume Calculator free?

Yes. It is free, needs no signup and works on any device.