Volume of a Capsule Calculator

Enter a capsule's radius and cylindrical body height to instantly calculate its volume and surface area.

Capsule Dimensions

Height of the cylindrical section only, not including the hemispherical ends.

Formulas

Volume    V = πr²h + (4/3)πr³
Surface   A = 2πrh + 4πr²
Total L    L = h + 2r

Results

Enter radius and height to see results.

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Summary

Enter a capsule's radius and cylindrical body height to instantly calculate its volume and surface area.

How it works

  1. Enter the radius of the capsule (the radius of both the cylinder and the hemispheres).
  2. Enter the height of the cylindrical body only (not including the hemispherical ends).
  3. Select your preferred unit (mm, cm, m, in, ft).
  4. Volume and surface area results appear instantly.
  5. Click any result card to copy the value to your clipboard.

Use cases

Frequently Asked Questions

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Last updated: 2026-05-23 · Reviewed by Nham Vu