Ellipsoid Volume Calculator

Find an ellipsoid’s volume.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator applies the formula V = (4/3)πabc, where a, b and c are the three semi-axes of the ellipsoid — a sphere is just the special case where all three are equal. It's the three-dimensional generalization of the circle-to-ellipse relationship.

It's used by students and engineers computing the volume of egg-shaped tanks or vessels, geologists estimating the volume of irregular ore or mineral deposits modeled as ellipsoids, and — notably — in medical imaging, where radiologists estimate tumor or organ volume from three measured diameters using this exact formula.

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