Sphere - Radius from Volume

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Equation / Last modified by KurtHeckman on 2017/12/30 23:28
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vCalc.Sphere - Radius from Volume

The Radius of a Sphere from the Volume calculator computes the radius (r) based on the volume of a sphere (V).SphereVolume-illustration.png  Geometric Sphere 

INSTRUCTIONS:  Choose the preferred units and enter the following:

  • (V) This is the Volume of the Sphere.

Sphere Radius: The Radius of the Sphere (r) is returned in meters.  However, this can be automatically converted to other length units (e.g. feet) via the pull-down menu. 

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The Math

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

           V = 4/3•π•r³

If we solve for the radius (r), we have the formula in this calculator:

            `r = ( 3/(4π)•V ) ^(1/3)`