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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 (M).

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

- (
**r**) Radius of Sphere - (
**M**) Mass of 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. The calculator also returns the volume of the sphere (V) used in computing the density.

The formula for density is:

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

The two formulas are combined in this calculator:

**NOTE**: Identify possible substances based on the density by CLICKING HERE.

- Sphere Surface Area based radius (r)
- Sphere Surface Area from Volume
- Sphere Volume from Radius
- Sphere Volume from Circumference
- Sphere Volume from Surface Area
- Sphere Volume from Mass and Density
- Sphere Radius from Volume
- Sphere Radius from Surface Area
- Sphere Weight (Mass) from volume and density
- Sphere Density
- Area of Triangle on a Sphere
- Distance between Two Points on a Sphere
- Sphere Cap Surface Area
- Sphere Cap Volume
- Sphere Cap Weight (Mass)
- Sphere Segment Volume
- Sphere Segment Weight (Mass)
- Sphere Segment Wall Surface Area (without the circular top and bottom ends)
- Sphere Segment Full Surface Area (with the top and bottom circles, aka ends)
- Volume of Spherical Shell
- Mass of Spherical Shell

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

Other Volume Calculators |
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Various Shapes |
Polygon Columns |
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Cube | Triangular Prism | Triangular | |

Box | Paraboloid | Quadrilateral | |

Cone | Polygon based Pyramid | Pentagon | |

Cone Frustum | Pyramid Frustum | Hexagon | |

Cylinder | Sphere | Heptagon | |

Slanted Cylinder | Sphere Cap | Octogon | |

Ellipsoid | Oblate Spheroid | Nonogon | |

Torus | Capsule | Decagon |