Torus volume

Torus volume: use major radius to tube centre, tube radius. Review the formula, worked example and calculation steps.

Inputs

Use the units shown
RESULT
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Formula & explanation
V = 2π²Rr²

Variables & units

Major radius to tube centre
m · minimum 0.000001, maximum 1000000000000
Tube radius
m · minimum 0.000001, maximum 1000000000000

Worked example

Major radius 3 and tube radius 1 give 6π².

Assumptions

Ring torus geometry; the tube must not cross the central axis.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

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