Cone Volume Calculator
Calculate the volume, slant height and surface area of a cone from its base radius and vertical height. Enter base radius and height to see volume,…
8 of 8 free uses remaining today
Calculate the volume, slant height and surface area of a cone from its base radius and vertical height. Enter base radius and height to see volume, slant height and surface area when you calculate.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (base radius = 3, height = 5), the results are: volume 47.124; slant height 5.831; surface area 83.230.
Quick reference: base radius vs result
Reference table based on the example values; it is not your calculation result.
| Base radius | Volume | Slant height | Surface area |
|---|---|---|---|
| 1.5 | 11.781 | 5.220 | 31.668 |
| 3 | 47.124 | 5.831 | 83.230 |
| 6 | 188.496 | 7.810 | 260.317 |
| 15 | 1,178.097 | 15.811 | 1,451.952 |
| 30 | 4,712.389 | 30.414 | 5,693.868 |
| 60 | 18,849.556 | 60.208 | 22,658.669 |
Frequently asked questions
What formula does this calculator use?
Volume = pi × r^2 × h ÷ 3; Slant height = sqrt(r^2+h^2); Surface area = pi × r × (r+sl). Variables: r = base radius, h = height.
What do I need to enter?
You need base radius, height. Results update as you type.
What is an example result?
With the default inputs (base radius = 3, height = 5), the results are: volume 47.124; slant height 5.831; surface area 83.230.
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