Convert pound square inch to kilogram square metre

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Pound Square Inch

The pound square inch (lb·in²) is a unit of moment of inertia in the US customary system equal to the product of one pound-mass and one square inch. It is often used for smaller rotating components in mechanical engineering, such as electric motors and actuators. One lb·in² equals 1/144 lb·ft², or approximately 2.92640 × 10⁻⁴ kg·m². 


Kilogram Square Metre

The kilogram square metre (kg·m²) is the SI unit of moment of inertia (also called rotational inertia), representing the resistance of a body to changes in its rotational motion. It is defined as the sum of the products of each mass element and the square of its distance from the rotation axis. The kg·m² appears in rotational analogs of Newton's second law, where torque equals moment of inertia times angular acceleration. 


Pound Square Inch to Kilogram Square Metre conversion table
Pound Square InchKilogram Square MetreKilogram Square MetrePound Square Inch
10.000292613417.17
20.000585326834.34
30.0008779310251.5
50.0014632517085.9
100.00292641034171.7
200.005852792068343.4
250.007315992585429.3
500.01463250170859
1000.029264100341717
2500.0731599250854293
5000.146325001.70859E+06
10000.2926410003.41717E+06
How to convert Pound Square Inch to Kilogram Square Metre

1 lb*in^2 = 0.0002926 Kilogram Square Metre. To convert any value, multiply it by 0.0002926. For example, 25 lb*in^2 = 0.00731599 Kilogram Square Metre.

Frequently asked questions
How many Kilogram Square Metre are there in one lb*in^2?
One lb*in^2 is equal to 0.0002926 Kilogram Square Metre.
How do you convert Pound Square Inch to Kilogram Square Metre?
Multiply the value in Pound Square Inch by 0.0002926 to get the result in Kilogram Square Metre.
How much is 25 lb*in^2 in Kilogram Square Metre?
25 lb*in^2 is equal to 0.00731599 Kilogram Square Metre.
How do you convert Kilogram Square Metre back to Pound Square Inch?
Divide by the same factor: multiply the value in Kilogram Square Metre by 3417.17 to get Pound Square Inch.

Most common moment of inertia unit conversions