Torsional Angular Shaft Deflection Formula

Equation for calculate torsional angular shaft deflection is,

θ = (L * T) / ( J * G)

Where,
θ = Torsional (Angular) Deflection of Shaft
L = length of shaft or cylinder
T = Twisting Moment
J = Polar Moment of Inertia of an Area
G = Modulus of Rigidity