How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Polar second moment of area
pi*(outer^4-inner^4)/32Polar Moment of Inertia Calculator
Circular hollow section; inner diameter is less than outer. Zero inner diameter gives a solid shaft.
Circular hollow section; inner diameter is less than outer. Zero inner diameter gives a solid shaft.
Result
Enter your values and run the tool to see your result.