Pounds-force to Newtons Converter
1 lbf equals 4.4482216 N, and 1 N equals 0.22480894 lbf. Enter a value in either box to convert pounds-force to newtons and back. Formula: newtons = value x unit factor (1 lbf = 4.4482216152605 N, 1 kgf = 9.80665 N, 1 dyn = 1e-5 N).
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1 lbf = 4.4482216 N
Results shown are estimates for informational purposes only. Nothing on CalcFlow is financial, tax, legal, or medical advice. Always consult a qualified professional before making important decisions.
Pounds-force to Newtons Conversion Table
| Pounds-force | Newtons |
|---|---|
| 1 lbf | 4.4482216 N |
| 5 lbf | 22.241108 N |
| 10 lbf | 44.482216 N |
| 50 lbf | 222.41108 N |
| 100 lbf | 444.82216 N |
| 500 lbf | 2,224.1108 N |
| 1,000 lbf | 4,448.2216 N |
| 5,000 lbf | 22,241.108 N |
| 10,000 lbf | 44,482.216 N |
Newtons to Pounds-force Conversion Table
| Newtons | Pounds-force |
|---|---|
| 1 N | 0.22480894 lbf |
| 5 N | 1.1240447 lbf |
| 10 N | 2.2480894 lbf |
| 50 N | 11.240447 lbf |
| 100 N | 22.480894 lbf |
| 500 N | 112.40447 lbf |
| 1,000 N | 224.80894 lbf |
| 5,000 N | 1,124.0447 lbf |
| 10,000 N | 2,248.0894 lbf |
Worked example: 10 lbf = 44.482216 N. A 100 N pull is 100 / 4.4482216 = 22.48 lbf. A 75 kgf load is 75 x 9.80665 = 735.5 N.
Need other units? Open the full Force Converter.
Popular Force Conversions
Formula
newtons = value x unit factor (1 lbf = 4.4482216152605 N, 1 kgf = 9.80665 N, 1 dyn = 1e-5 N)Understanding Force Conversion
Force is measured in newtons, the force that accelerates one kilogram at one meter per second squared. Pounds-force and kilograms-force express the force of gravity on one pound or one kilogram at standard gravity, 9.80665 m/s2, which is how they are defined exactly. Dynes belong to the older CGS system and poundals to the foot-pound-second system.
Tips and Best Practices
- 1Multiply newtons by 0.2248 to get pounds-force.
- 2Multiply kilograms-force by 9.80665 to get newtons.
- 3A newton is roughly the weight of a small apple.
Real-World Example
A 100 N pull is 100 / 4.4482216 = 22.48 lbf. A 75 kgf load is 75 x 9.80665 = 735.5 N.
Common Mistakes to Avoid
- Confusing mass (kg, lb) with force (N, lbf).
- Using 9.8 or 10 for gravity in a precise conversion.
- Mixing pounds-force and poundals, which differ by about a factor of 32.
How to Use
- Type a number in the Pounds-force box.
- The Newtons result appears instantly; you can also edit the Newtons box to convert backwards.
- Use the swap button to reverse the direction and Copy result to copy the answer.
Frequently Asked Questions
How many newtons are in 1 lbf?
How many pounds-force are in 1 N?
What is the formula to convert pounds-force to newtons?
How many newtons are in a kilogram-force?
Sources: NIST SP 811 (standard acceleration of gravity g_n = 9.80665 m/s2, pound-force, poundal, dyne).