lbf to newtons: Convert pounds-force to newtons

Answer
4.44822 N = 1 lbf

1 lbf = 4.44822 N. To convert pounds-force to newtons, multiply by 4.448221615. To go back, multiply by 0.2248089431 (or divide by 4.448221615). Pound-force is the US unit for winch pull, spring and actuator ratings.

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Converted force
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How we calculated this

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    Formula

    N = lbf × 4.448221615 lbf = N × 0.2248089431 100 lbf × 4.448221615 = 444.822 N

    lbf to newtons table

    lbfN
    1 lbf4.44822 N
    5 lbf22.2411 N
    10 lbf44.4822 N
    20 lbf88.9644 N
    50 lbf222.411 N
    100 lbf444.822 N
    200 lbf889.644 N
    500 lbf2,224.11 N
    1,000 lbf4,448.22 N
    2,000 lbf8,896.44 N
    5,000 lbf22,241.1 N
    10,000 lbf44,482.2 N

    Factors from NIST SP 811 and the BIPM SI Brochure; values rounded to 6 significant digits.

    Frequently asked questions

    How many newtons is 100 lbf?

    100 lbf = 444.822 N.

    How many lbf is 1 N?

    1 N = 0.224809 lbf.

    Open the full calculator: Force Converter: lbf to Newtons, kgf, kN and Tonne-Force →