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Properties of Sphere
This tool calculates the basic geometric properties of a sphere. Enter the shape dimensions R or D below. The calculated results will have the same units as your input. Please use consistent units for any input.
R = | |||
...or | |||
D = | |||
 | |||
Geometric properties: | |||
Radius = | |||
Diameter = | |||
Volume = | |||
Surface area = | |||
 |
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Definitions
Geometry
The sphere is a 3-dimensional object (solid), with all the points of its outer outer surface having an equal distance from a common point, called centre. That distance is called radius of the sphere. The volume of a sphere is given by the formula:
where r the radius.
The outer surface area of the sphere is given by the next formula: