My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Mechanical Engineering

Polar moment of inertia of Circular Shaft Calculator

Mechanical Engineering

GATE Verified formulaSI defaultsCompatible units
Scan another formula
Help us keep answers accurate

Report a formula or result issue

Tell us what looks wrong and, if possible, include the expected answer, unit or calculation step. Our content team will review it.

Polar moment of inertia of Circular Shaft

Equation and meaning

\[J = ( ( \pi \cdot d ^ ( 4 ) ) / ( 32 ) )\]

Moment of Circular Shaft about polar axis of Circular Shaft

Variables in this formula

d — Distance
Distance SI unit: m
J — J
Enter this value unless it is the selected unknown.

How to use this calculator

  1. Leave one value emptyThe empty field is automatically treated as the unknown.
  2. Enter known values and unitsChoose N, kgf, dyn, SI or another compatible unit when available.
  3. Review the automatic answerThe result appears immediately and is substituted back into the formula to check the residual.
Keep learning
View Mechanical Engineering formulas
Civil Engineering

Vane Shear Test

Civil Engineering

\[S = \tau\]
Open calculator Electrical Engineering

Airgap power for a shunt motor

Electrical Engineering

\[P_{e} = \omega \cdot T\]
Open calculator Mechanical Engineering

Absolute Humidity in Psychrometry

Mechanical Engineering

\[Absolute_Humidity = ( ( Weight_of_Water_Vapour ) / ( Volume_of_Air \cdot ( Mixture ) ) )\]
Open calculator Mechanical Engineering

Absorptivity

Mechanical Engineering

\[A \cdot bsorptivity \cdot \alpha = \frac{Energy_{absorbed} \cdot Q_{a}}{T_{otal\_incident\_radiation} \cdot Q}\]
Open calculator Civil Engineering

Active earth pressure at depth H

Civil Engineering

\[P_p = q - 2 \cdot C\]
Open calculator Mechanical Engineering

Addendum circle diameter of helical gear

Mechanical Engineering

\[d_{a} = \frac{z \cdot m_{n}}{cos} + 2 \cdot m_{n}\]
Open calculator