Torsional Constant of a Circle

on 13 July 2022. Posted in Plane Geometry

Torsional Constant of a Circle formulas
\( J \;=\; \pi \; r^4 \;/\; 2 \) \( J \;=\; \pi \; d^4 \;/\; 32 \)
Symbol	English	Metric
\( J \) = torsional constant	\( in^4 \)	\( mm^4 \)
\( d \) = diameter	\( in \)	\( mm \)
\( \pi \) = Pi	\(3.141 592 653 ...\)
\( r \) = radius	\( in \)	\(mm \)

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