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Math Calculators

Hollow Cylinder Volume Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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Verified formula Private

Volume

502.6548

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

How to use the Hollow Cylinder Volume Calculator

The Hollow Cylinder Volume Calculator works out your volume in an instant. Enter outer radius, inner radius and height 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 outer radius.
  2. Enter the inner radius.
  3. Enter the height.
  4. Read off your volume — the calculator updates automatically, with no button to press.

Formula

The Hollow Cylinder Volume Calculator uses the formula:

Volume = 3.141592653589793 × (Outer radius ^ 2 - Inner radius ^ 2) × Height

Worked example

For example, with outer radius of 5, inner radius of 3 and height of 10, the volume is 502.6548.

Inputs used
Outer radius 5
Inner radius 3
Height 10
Results
Volume 502.6548

Results are estimates for educational use, not professional advice.

Key terms explained

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.

Frequently asked questions

Subtract the inner circle area from the outer and multiply by height: π × (R² − r²) × h. Radii 5 and 3, height 10, give about 502.65.

It is a tube or pipe shape, a cylinder with a smaller cylinder removed from the centre.

It gives the material between the two radii. For the empty bore, use the inner radius alone.

Cubic units of whatever you enter, so centimetres give cubic centimetres.

The Hollow Cylinder Volume Calculator uses the formula: Volume = 3.141592653589793 × (Outer radius ^ 2 - Inner radius ^ 2) × Height. For example, with outer radius of 5, inner radius of 3 and height of 10, the volume is 502.6548.

Enter the outer radius. Enter the inner radius. Enter the height. Read off your volume — the calculator updates automatically, with no button to press.

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