Moment of Inertia Converter

Convert moment of inertia between kg·m², g·cm², lb·ft², and lb·in². Used in rotational mechanics, motors, and gyroscopes.

Common Moment of Inertia Conversions

FromTo
1 kg·m²10,000 g·cm²
1 lb·ft²0.042140 kg·m²
1 kg·m²23.7304 lb·ft²

Moment of Inertia Unit Definitions

kg·m²
SI unit of moment of inertia.
lb·ft²
Imperial unit.
g·cm²
Small-scale unit.

Frequently Asked Questions

What is moment of inertia?

Moment of inertia (I) is the rotational equivalent of mass — it resists angular acceleration. Torque = I × angular acceleration.