Newtons to Pounds-force Converter
Convert newtons to pounds-force instantly. Type a value, change either unit, or press swap to go the other way. 1 newton = 0.22480894 pounds-force.
1 newton = 0.22480894 pounds-force
How to convert newtons to pounds-force
pounds-force = newtons × 0.2248089431
To convert newtons to pounds-force, multiply the value by 0.2248089431. To go back from pounds-force to newtons, divide by the same number (or multiply by 4.448221615).
Worked examples
- 10 N: 10 × 0.2248089431 = 2.2480894 lbf
- 50 N: 50 × 0.2248089431 = 11.240447 lbf
- 100 N: 100 × 0.2248089431 = 22.480894 lbf
Divide newtons by 4.45, or by 4.5 for a conservative estimate. 100 N is about 22.5 lbf.
Newtons to Pounds-force conversion table
Newtons to Pounds-force
| N | lbf |
|---|---|
| 1 | 0.22480894 |
| 5 | 1.1240447 |
| 10 | 2.2480894 |
| 50 | 11.240447 |
| 100 | 22.480894 |
| 250 | 56.202236 |
| 500 | 112.40447 |
| 1,000 | 224.80894 |
| 5,000 | 1,124.0447 |
| 10,000 | 2,248.0894 |
Pounds-force to Newtons
| lbf | N |
|---|---|
| 1 | 4.4482216 |
| 5 | 22.241108 |
| 10 | 44.482216 |
| 50 | 222.41108 |
| 100 | 444.82216 |
| 250 | 1,112.0554 |
| 500 | 2,224.1108 |
| 1,000 | 4,448.2216 |
| 5,000 | 22,241.108 |
| 10,000 | 44,482.216 |
Force equivalents
See how one newton and one pound-force compare with every other force unit on the site.
1 newton equals
| Unit | Value |
|---|---|
| kilonewtons (kN) | 0.001 |
| pounds-force (lbf) | 0.2248089 |
| kiloponds (kilogram-force) (kp) | 0.1019716 |
| dynes (dyn) | 100,000 |
1 pound-force equals
| Unit | Value |
|---|---|
| newtons (N) | 4.448222 |
| kilonewtons (kN) | 0.004448222 |
| kiloponds (kilogram-force) (kp) | 0.4535924 |
| dynes (dyn) | 444,822.2 |
When you need to convert newtons to pounds-force
Newtons are the standard force unit in science and in most engineering outside the US, but American product specifications for things like tow-bar loads, bolt tension and spring force use pounds-force. Converting avoids dangerous mismatches when you are working from mixed documentation.
About the units
Newton (N)
The newton is the force that gives a one-kilogram mass an acceleration of one meter per second squared. A small apple weighs about one newton.
Pound-force (lbf)
A pound-force is the force exerted by gravity on a one-pound mass: about 4.448 newtons.
Frequently asked questions
How do I convert newtons to pounds-force?
Multiply the number of newtons by 0.2248089431. For example, 10 newtons × 0.2248089431 = 2.248089431 pounds-force.
How many pounds-force are in one newton?
There are 0.2248089431 pounds-force in one newton.
How many newtons are in one pound-force?
There are 4.448221615 newtons in one pound-force.
Is a pound-force the same as a pound of mass?
No. A pound (lb) measures mass, while a pound-force (lbf) is the force exerted by gravity on one pound of mass at standard gravity. Numerically they are close on Earth, but they are different quantities.
Can I convert other force units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any force unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.