pound-force to kilonewton
Convert pound-force (lbf) to kilonewton (kN). Use an editable force converter, conversion formula, and reference table.
1 lbf = 0.004448221615 kN
Conversion formula
One pound-force equals 0.004448221615 kilonewton. Multiply your value in pound-force by this factor to get kilonewton. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 pound-force:5 × 0.004448221615 = 0.02224110808 kN
Conversion table
| pound-force (lbf) | kilonewton (kN) |
|---|---|
| 0.01 | 0.00004448221615 |
| 0.1 | 0.0004448221615 |
| 1 | 0.004448221615 |
| 2 | 0.008896443231 |
| 5 | 0.02224110808 |
| 10 | 0.04448221615 |
| 25 | 0.1112055404 |
| 50 | 0.2224110808 |
| 100 | 0.4448221615 |
| 1000 | 4.448221615 |
About these measurements
Force describes an interaction that can change motion.
The base reference used here is the newton. One pound-force is 4.448221615 base units; one kilonewton is 1,000 base units.
Important distinctions
Gravitational force units use standard gravity, 9.80665 m/s².
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert lbf to kN?
Multiply the quantity in lbf by 0.004448221615. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the kilonewton to pound-force converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
