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Force Converter – N to lbf, kgf, dyn

Quick answer

This calculator converts force units: 1 lbf = 4.44822 N, 1 kgf = 9.80665 N.

  • Free N, kgf, lbf and dyne converter with instant results.
  • Free, no sign-up, works on any device.

Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

How the Force Converter Works

F[N] = F[kgf] × 9.80665 = F[lbf] × 4.44822

The converter first expresses your value in newtons using the exact gravity-based factors — 1 kilogram-force is the weight of 1 kg in standard gravity (9.80665 N) and 1 pound-force equals 4.44822 N — then divides by the target unit's factor. The dyne, the CGS unit, is 10⁻⁵ N. Results show both the converted figure and the newton and pound-force equivalents on every run.

  1. 1

    Step 1

    Enter the force value

  2. 2

    Step 2

    Type the source unit code (1=N, 2=kgf, 3=lbf, 4=dyn)

  3. 3

    Step 3

    Type the target unit code

  4. 4

    Step 4

    Read the converted force plus the N and lbf equivalents

Use Cases

Reading torque-wrench and load-cell datasheets

Comparing thrust specs of rockets and propellers

Solving physics homework in mixed unit systems

FAQs

How many newtons is 1 kilogram-force?

Exactly 9.80665 N: kgf is the weight of a 1 kg mass in standard gravity, so 10 kgf = 98.0665 N.

How do I convert lbf to N?

Multiply by 4.44822: 100 lbf ≈ 444.822 N. Divide by the same factor to go back from newtons to pound-force.

What is a dyne?

The CGS force unit: 1 dyne = 10⁻⁵ N, so 1 N = 100,000 dynes. It survives mainly in older physics literature.

Is kgf the same as kilograms?

No — kilograms measure mass, kgf measures force. On Earth a 1 kg mass pushes with about 9.81 N, i.e. 1 kgf.