Moment of Inertia Units

Find the right formula and tools for all moment-of-inertia units. We use official rules to make sure every calculation is correct.

All Moment of Inertia Unit Pairs

Pick a starting unit to see all possible conversion tools for moment of inertia.

We calculate all moment of inertia units based on the standard kg·m². This helps us keep all our tools accurate and reliable.

Below is the list of rules we use to calculate each moment of inertia unit. You can use these to understand the math behind our tools.

Formula: 1 lb·ft² = 0.0421401 kg·m²
To do the math instantly, use our lb·ft² to kg·m² or kg·m² to lb·ft² tools.

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