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Torus Calculator

Volume and surface area of a torus donut shape

Torus Calculator (Donut Shape)

Major Radius (R)
Minor Radius (r)
R = distance from torus center to tube center. r = tube radius.

A torus is the 3D shape of a donut or ring. It is formed by rotating a circle of radius r around an axis at distance R from the circle's centre. The inner hole appears when R > r.

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