Ring volume, surface area online calculator

App description

Ring volume formula:

\(V = π^2 * (R + r) * (R - r)^2\)

Circular area formula:

\(S = π^2 * (R^2 - r^2)\)

In the formula:

R: outer radius r: inner radius

Usage example

Input data:

Outer radius: 6

Inner radius: 3

Click "Calculate" to output data

Volume: 199.859

Surface area: 266.479


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