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`"Surface Area" = pi * "r" * sqrt( "r" ^2 + "h" ^2)`

Enter a value for all fields

The **Surface Area of a Cone** calculator computes the surface area as a function of the radius of the base (r) and the height (h). * Right circular cone *

**INSTRUCTIONS:** Choose the preferred units and enter the following:

- (
**h**) This is the height of the cone - (
**r**) This is the radius of the based of the cone.

**Cone Surface Area:** The surface area (**A**) is returned in square meters (m^{2}). However, this can be automatically converted to other area units via the pull-down menu.

- Surface Area: cone surface area based on cone height and cone base radius
- Volume: cone volume based on cone height and cone base radius
- Mass: cone mass or weight as a function of the volume and mean density
- Frustum Surface Area: cone frustum surface area based on the two heights and two radii
- Frustum Volume: cone frustum volume based on the two heights and two radii
- Frustum Mass: cone frustum weight or mass based on the cone frustum volume and mean density
- Shell Volume: cone shell volume a.k.a. hollow cone volume
- Shell Mass: cone shell mass or weight a.k.a. hollow cone mass.

Height is defined as the length of the central axis from the base to the apex of the cone. See diagram.