How to convert pound-forces to newtons
N = lbf × 4.448221615
Example: 5 lbf × 4.448221615 = 22.24110808 N
Pound-forces to Newtons table
| Pound-forces (lbf) | Newtons (N) |
|---|---|
| 0.5 lbf | 2.2241108 N |
| 1 lbf | 4.4482216 N |
| 2 lbf | 8.8964432 N |
| 3 lbf | 13.344665 N |
| 4 lbf | 17.792886 N |
| 5 lbf | 22.241108 N |
| 6 lbf | 26.68933 N |
| 7 lbf | 31.137551 N |
| 8 lbf | 35.585773 N |
| 9 lbf | 40.033995 N |
| 10 lbf | 44.482216 N |
| 15 lbf | 66.723324 N |
| 20 lbf | 88.964432 N |
| 25 lbf | 111.20554 N |
| 30 lbf | 133.44665 N |
| 40 lbf | 177.92886 N |
| 50 lbf | 222.41108 N |
| 75 lbf | 333.61662 N |
| 100 lbf | 444.82216 N |
| 250 lbf | 1,112.0554 N |
| 500 lbf | 2,224.1108 N |
| 1,000 lbf | 4,448.2216 N |
About these units
Pound-forces (lbf): A pound-force is the weight of one pound in standard gravity, about 4.448 newtons.
Newtons (N): The newton is the SI unit of force: the force that accelerates 1 kg by 1 m/s².
Frequently asked questions
How many newtons are in 1 pound-force?
1 pound-force (lbf) equals 4.448221615 newtons.
How do I convert lbf to N?
Multiply the value in pound-forces by 4.448221615. For example, 5 lbf × 4.448221615 = 22.24110808 N.
How do I convert newtons back to pound-forces?
Multiply by 0.2248089431 (or divide by 4.448221615). 1 N = 0.2248089431 lbf.
What is a pound-force?
A pound-force is the weight of one pound in standard gravity, about 4.448 newtons.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every force unit at once? Use the Force Converter.