How many newtons are in a pound-force?

1 lbf = 4.4482 N. To convert any amount, multiply by 4.4482.

How do you convert pound-force to newtons?

Multiply the number of pound-force by 4.4482 to get newtons. The formula is shown in the "How it's calculated" section above.

Where does the conversion factor come from?

It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.

Unit converter — Force

Pound-force to newtons converter

Convert pound-force (lbf) to newtons (N). Source-cited conversion factor, exact to the displayed precision.

Results are mathematically exact for the displayed precision. How we calculate.

How it's calculated

Convert pound-force to newtons— the formula

Pound-force convert to newtons by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.

N = lbf × 4.4482

lbf = N × 0.224809

1 lbf = 4.4482216152605 N (NIST SP 811). 1 kgf = 9.80665 N (the standard gravity). 1 dyne = 1e-5 N (CGS).

Questions

Frequently asked questions

How many newtons are in a pound-force?
1 lbf = 4.4482 N. To convert any amount, multiply by 4.4482.
How do you convert pound-force to newtons?
Multiply the number of pound-force by 4.4482 to get newtons. The formula is shown in the "How it's calculated" section above.
Where does the conversion factor come from?
It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.