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`rho = "M" /(4/3 * pi * "r" ^3)
`

Enter a value for all fields

The **Density of a Sphere** calculator computes the density a sphere (ρ) based on the radius (r) of the sphere and the mass.. * Geometric Sphere*

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

- (
**r**) This is the radius of the sphere. - (
**M**) This is the mass of the sphere.

**Sphere Density (ρ) **: The Density of the Sphere (ρ) is returned in kilograms per cubic meter. However, this can be automatically converted to other density units via the pull-down menu.

**Related Calculators:**

- To compute the Surface Area of a Sphere, CLICK HERE.
- To compute the Mass or Weight of a Sphere based on its volume and mean density, CLICK HERE.
- Compute the Volume of a Sphere

The formula for density is:

The equation for the volume of a sphere is as follows:

The two formulas are combined in this calculator:

The following table contains links to calculators that compute the volume of other shapes: