Torsion
Circular shaft torsion
The existing interactive shaft and stress chart show applied torque, elastic twist, and the linear shear-stress rise toward the outer fiber.
Solid circular shaft
T = 500.0 N m, L = 1.20 m
Hover or tap the torque couple, twist lines, or outer fiber.
Outer radius
25.0 mm
Twist shown
0.7092 deg
Stress trend
linear with radius
Shear stress versus radius
outer fiber: 20.37 MPa
Maximum shear stress
20.372 MPa
At the outside radius
Angle of twist
0.7092°
0.01238 rad
Torsional stiffness
40,394.8 N·m/rad
J = 61.359 × 10⁻⁸ m⁴
Outer diameter
50.0 mm
Solid shaft
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
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