Force Converter — 5 Units, Free & Instant

Convert between Force units. Choose from 5 different units including Newtons, Kilonewtons, Kilogram-force.

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N to lbf lbf to N N to kgf kgf to N kN to kgf kgf to kN lbf to kgf kgf to lbf kN to lbf N to dyn

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From	Newtons (N)
Newtons (N)	1
Kilonewtons (kN)	1000
Kilogram-force (kgf)	9.80665
Dynes (dyn)	0.00001
Pound-force (lbf)	4.4482216152605

Newtons, pound-force and kilogram-force

Force is measured in newtons (N) in the SI system: one newton accelerates one kilogram at 1 m/s². US engineering uses pound-force (lbf) — the weight of one pound under standard gravity, exactly 4.4482216 N. The older metric kilogram-force (kgf), still common on scales, gauges and older datasheets, equals 9.80665 N by definition.

Force versus mass

Kilograms and pounds measure mass; newtons, kgf and lbf measure force. The distinction matters as soon as gravity is not the only player — thrust ratings, load cells, cable tension and pressure calculations all mix these units, which is why a 1,000 kgf winch rating and a 9.81 kN one describe the same pull.