lb·in²

pound square inch

Moment of inertiaexact by definition

The pound square inch is exactly 2.9263965... × 10⁻⁴ kg·m². It is the inertia unit on North American small motor, clutch and brake datasheets, where a fractional-horsepower rotor is a few lb·in².

1 lb·in² 0.00029263965 kg·m²