Moment Of Inertia Converter
Convert moment of inertia between listed units.
Open toolMoment Of Inertia Calculator
Find a moment of inertia for a selected ideal symmetric body. Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5.
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Enter the inputs, then select Calculate.
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How Moment Of Inertia Calculator works
Find a moment of inertia for a selected ideal symmetric body.
Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5. Axis runs through the centre. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How to use Moment Of Inertia Calculator
Follow the labelled inputs.
Enter mass (kg)
Replace the example with mass (kg). The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set radius (m), axis and shape. Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Moment Of Inertia Calculator
Check the supplied example
The starting example produces 9 kg·m². Find a moment of inertia for a selected ideal symmetric body.
Use your own inputs
Read the labels for mass (kg) and radius (m), axis and shape. Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Find a moment of inertia for a selected ideal symmetric body.
Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5. Axis runs through the centre. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
Supported input and limits
Check the stated scope before you run it.
Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5. Axis runs through the centre. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolMoment Of Inertia Calculator: common questions
Answers about using Moment Of Inertia Calculator and understanding its results.
What inputs and assumptions apply?
Uniform mass distribution: disk mr²/2, thin ring mr², solid sphere 2mr²/5. Axis runs through the centre. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How can I save the result?
Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.
Calculate with your input
Check the calculated result, then copy or download it.