Pounds-force to Newtons Converter
Convert pounds-force to newtons instantly. Exact factor: 1 lbf = 4.448 N.
Free toolNo signupFormula shown
Convert pounds-force to newtons
The exact conversion factor is 1 lbf = 4.448 N. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the pounds-force value by 4.448 to get newtons.
Worked example
- Take 1 lbf
- multiply by 4.448
- the result is 4.448 N
How to use it
- Enter your pounds-force
- Read the newtons result
- Check the factor line to verify by hand
Frequently asked questions
How many newtons are in one pounds-force?
Exactly 4.448 N, by the SI/NIST definition.
How do I convert newtons back to pounds-force?
Divide by 4.448 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.