What is a pound-force (lbf)?

lbf is the force exerted by one avoirdupois pound at standard gravity; do not confuse with pound-mass (lb).

Force Converter (N, lbf)

Learn More About Force Unit Converter

Force

The SI unit of force is the newton (kg·m/s²). Dyne is the CGS unit (1 N = 10⁵ dyn). lbf ties to pounds under standard gravity.

About

Switch between newtons (N), kilonewtons, pound-force (lbf), and dynes. Helpful for structural loads, thrust, and lab measurements. Uses convert.

Examples

100 newtons

SI newtons in kN, lbf, and dynes.

Input

100 N

Output

N: 100.000000
kN: 0.100000
lbf: 22.480892
dyne: 10000000.00

1 kilonewton

kN as newtons and imperial pound-force.

Input

1 kN

Output

N: 1000.000000
kN: 1.000000
lbf: 224.808924
dyne: 100000000.00

Use Cases

Mechanical engineering load checks
Comparing SI specs to US customary datasheets

Frequently Asked Questions