Pound-force lbf
About the Pound-force
The pound-force is the weight of one avoirdupois pound under standard gravity of 9.80665 m/s², which makes it exactly 4.4482216152605 newtons. Rocket engine thrust and bolt torque in the United States are often given in pounds-force. Pressure in psi is pounds-force per square inch.
Related Units
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N1 N = 1 kg·m·s⁻²
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dyn10⁻⁵ N (exact)
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Inch
in25.4 mm (exact)
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Foot
ft0.3048 m (exact)
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