Polar Moment of Inertia (Solid Circle)

mech-polar-inertia-circle

Polar Moment of Inertia (Solid Circle)

mechanical

Statics

J = \frac{\pi d^4}{32}

Polar moment of inertia for solid circular shaft

[
  {
    "symbol": "J",
    "name": "Polar Moment of Inertia",
    "unit": "m⁴",
    "siUnit": "m⁴",
    "imperialUnit": "in⁴"
  },
  {
    "symbol": "d",
    "name": "Diameter",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  }
]

J, d

polar, inertia, circle, shaft

false