Shapes & spaces

Ellipsoid volume from semiaxes calculator

Find the volume of a sphere scaled independently along three perpendicular axes.

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Behind the numbers

How this calculation works

Find the volume of a sphere scaled independently along three perpendicular axes.

THE FORMULAV=4πabc/3

A worked example

Semiaxes 2, 3 and 4 give volume 32π.

Good to know

Enter half-lengths along the three principal axes.

Read the result

Find the volume of a sphere scaled independently along three perpendicular axes.

The primary result is labeled “Volume”. Keep the input definitions in view when comparing this result with another method.

Try a related calculation

Enter half-lengths along the three principal axes.

For a related exercise, try the circle calculator.

A few questions, answered

How can I check the default inputs by hand?

Semiaxes 2, 3 and 4 give volume 32π.

Which rule does this calculator apply?

V=4πabc/3

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