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Pounds-force to Newtons Converter

1 lbf = 4.448221615 N. Type any value to convert pounds-force to newtons.

1 lbf = 4.448221615 N

Formula: N = lbf × 4.448221615

Common values
Decimals
In every unit 7 units
Newton (N) 4.448221615 N
Kilonewton (kN) 0.004448221615 kN
Dyne (dyn) 444,822.1615 dyn
Kilogram-force (kgf) 0.45359237 kgf
Tonne-force (tf) 0.00045359237 tf
Pound-force (lbf) 1 lbf
Poundal (pdl) 32.17404856 pdl

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Pounds-force to newtons table

Formula: N = lbf × 4.448221615

Pound-force (lbf)Newton (N)
0.1 lbf0.4448221615 N
0.25 lbf1.112055404 N
0.5 lbf2.224110808 N
1 lbf4.448221615 N
2 lbf8.896443231 N
3 lbf13.34466485 N
4 lbf17.79288646 N
5 lbf22.24110808 N
6 lbf26.68932969 N
7 lbf31.13755131 N
8 lbf35.58577292 N
9 lbf40.03399454 N
10 lbf44.48221615 N
12 lbf53.37865938 N
15 lbf66.72332423 N
20 lbf88.96443231 N
25 lbf111.2055404 N
30 lbf133.4466485 N
40 lbf177.9288646 N
50 lbf222.4110808 N
60 lbf266.8932969 N
75 lbf333.6166211 N
100 lbf444.8221615 N
150 lbf667.2332423 N
200 lbf889.6443231 N
250 lbf1,112.055404 N
500 lbf2,224.110808 N
1,000 lbf4,448.221615 N

How to use: Pounds-force to Newtons

  1. 1 Type the value in pounds-force.
  2. 2 The result in newtons appears at once – or type in the newtons field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of force.

About this tool

Pound-force (lbf) is a unit of force (imperial and US customary); 1 lbf = 4.448221615 N. Newton (N) is a unit of force (SI).

To convert pounds-force to newtons, multiply the value by 4.448221615 (N = lbf × 4.448221615). Example: 100 lbf = 444.8221615 N.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert pounds-force to newtons?

To convert pounds-force to newtons, multiply the value by 4.448221615: N = lbf × 4.448221615. For example 100 lbf = 444.8221615 N.

What is 1 lbf in newtons?

1 lbf = 4.448221615 N. The other way round, 1 N = 0.2248089431 lbf.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of force here?

Yes – choose any of the 7 units of force in the From and To lists, or switch to another measurement at the top.

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