Pounds to Newtons Converter

Convert pounds-force to newtons and back. Enter a force in pounds-force and read the result in newtons and kilonewtons.

Independently verified for accuracy

Calculator by Toolsloft ↗
Result
222.411081 Newtons (N)
Conversion
50 Pounds-force (lbf) = 222.411081 Newtons (N)

Convert pounds-force to newtons, useful when a US force spec in pounds needs to be stated in SI newtons for a calculation or datasheet. Enter the pounds-force and read the newtons, and swap for the reverse.

How this is calculated

One pound-force equals one pound of mass times standard gravity, 0.45359237 times 9.80665, which is about 4.448222 newtons. The tool multiplies pounds-force by that exact value to get newtons.

How to use

  1. Enter the force in pounds-force.
  2. Keep pounds to newtons, or press Swap for the reverse.
  3. Read the result in newtons.

Examples

  • 50 pounds-force: 50 lbf = 222.411081 N
  • One pound-force: 1 lbf = 4.448222 N

FAQ

How many newtons is 1 pound?
One pound-force is about 4.4482 newtons.
Does this assume Earth gravity?
Pound-force is defined using standard gravity, so the conversion to newtons is exact and does not depend on where you are.

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