Force Converter

Convert pounds-force, newtons, kilonewtons, kilograms-force, kips and dynes.

Decimals, fractions (3 1/2) and e-notation (1.5e6) all work.
Common Conversions
Significant Digits
Result
Formula
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In Every Unit

UnitValue

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How to Convert Force Units

A pound-force is the weight of one pound mass under standard gravity (9.80665 m/s²), which is exactly 4.4482216152605 N. A kilogram-force is 9.80665 N.

N = lbf × 4.448222   kN = kip × 4.448222   N = kgf × 9.80665

Worked Example

Common Conversions

FromEquals
1 lbf4.448222 N
1 N0.2248089 lbf
1 kgf9.80665 N
1 kN224.8089 lbf
1 kip4.448222 kN
1 kgf2.204623 lbf

Unit Definitions

UnitEqualsExact?
Newtons (N)1 NExact
Kilonewtons (kN)1,000 NExact
Dynes (dyn)0.00001 NExact
Pounds-force (lbf)4.448221615 NExact
Ounces-force (ozf)0.278013851 NExact
Kips (kip)4,448.221615 NExact
Tons-force (US) (tonf)8,896.443230999999 NExact
Kilograms-force (kgf)9.80665 NExact
Metric tons-force (tf)9,806.65 NExact
Poundals (pdl)0.1382549544 NExact

Factors follow NIST Special Publication 811, Appendix B. "Exact" means the unit is defined as that value; results are rounded only for display.

Tips

A kip is 1,000 lbf, common in structural engineering.