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Capsule Volume Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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Verified formula Private

Volume

159.1740

Surface area
175.9292

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Capsule Volume Calculator

The Capsule Volume Calculator works out your volume, along with 1 related figure in an instant. Enter radius and cylinder height (between hemispheres) and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the radius.
  2. Enter the cylinder height (between hemispheres).
  3. Read off your volume, together with surface area — the calculator updates automatically, with no button to press.

Formula

The Capsule Volume Calculator uses the formula:

Volume = 3.141592653589793 × Radius ^ 2 × Cylinder height (between hemispheres) + (4 ÷ 3) × 3.141592653589793 × Radius ^ 3

Worked example

For example, with radius of 2 and cylinder height (between hemispheres) of 10, the volume is 159.1740.

Inputs used
Radius 2
Cylinder height (between hemispheres) 10
Results
Volume 159.1740
Surface area 175.9292

Results are estimates for educational use, not professional advice.

Key terms explained

Surface area
The total area of all the outer faces of a three-dimensional object.
Radius
The distance from the centre of a circle or sphere to its edge.
Volume
The amount of three-dimensional space an object occupies, measured in cubic units.
Area
The amount of two-dimensional space a shape covers, measured in square units.

Frequently asked questions

A capsule is a cylinder with a hemisphere capping each end, like a medicine pill or a pressure tank.

Add the cylinder volume πr²h to a full sphere (4/3 πr³), since two hemispheres make one sphere.

It is the straight middle section between the two hemispherical ends, not the overall length.

The total length equals the cylinder height plus twice the radius, since each hemisphere adds one radius.

Enter the radius. Enter the cylinder height (between hemispheres). Read off your volume, together with surface area — the calculator updates automatically, with no button to press.

Capsule Volume Table: Volume by Radius

Reference table of volume for Capsule Volume across a range of radius values — exact, engine-computed figures you can read off at a glance.

1 min read

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