Kilogram-Force to Newton Formula
N = kgf x 9.80665
Conversion factors follow SI relationships published by BIPM and NIST, where those standards apply.
Kilogram-Force to Newton Converter
Quick Answer
1 kgf = 9.80665 N
Formula: Newton = Kilogram-Force x 9.80665
Quick values
Worked examples
Convert 1 kgf to N
N = 1 x 9.80665
Result: 1 kgf = 9.80665 N
Convert 10 kgf to N
N = 10 x 9.80665
Result: 10 kgf = 98.0665 N
Convert 100 kgf to N
N = 100 x 9.80665
Result: 100 kgf = 980.665 N
About Kilogram-Force and Newton
The kilogram-force (kgf) and the newton (N) both measure force. 1 kgf equals 9.80665 N.
Category hub: Force Conversion · Conversion charts · Conversion formulas
Kilogram-Force to Newton Conversion Table
| Kilogram-Force (kgf) | Newton (N) |
|---|---|
| 1 kgf | 9.80665 N |
| 2 kgf | 19.6133 N |
| 5 kgf | 49.0332 N |
| 10 kgf | 98.0665 N |
| 20 kgf | 196.133 N |
| 50 kgf | 490.332 N |
| 100 kgf | 980.665 N |
| 200 kgf | 1961.33 N |
| 500 kgf | 4903.32 N |
| 1000 kgf | 9806.65 N |
Browse all conversion charts → · Browse conversion formulas →
Practical use cases for Kilogram-Force to Newton
Structural and Civil Engineering
Load cases may be given in newtons, kilonewtons, or kilogram-force. Converting to the analysis unit keeps reactions and member checks consistent.
Mechanical Design
Spring rates, bolt preload, and press-fit specs mix N, kgf, and lbf. Designers convert before comparing catalogs or FEA output.
Materials Testing
Tensile and compression machines report force in newtons while older certificates use kilogram-force. Conversion is required to compare results.
Metrology and Calibration
Force-standard labs realize the newton from SI units. Shop deadweight testers still labeled in kgf need a documented conversion to N.
Robotics and Automation
End-effector payload limits are specified in newtons or kilogram-force depending on the vendor. Integrators convert before selecting a gripper or cobot.
Safety and Lifting
Working-load limits on slings and hoists may be stamped in kgf or kN. Rigging plans convert to a single unit before a lift.
Kilogram-Force to Newton FAQs
Common questions about converting kilogram-force to newton.
How do you convert kilogram-force to newton?
Use N = kgf x 9.80665. For example, 1 kgf = 9.80665 N.
What is 1 kgf in newton?
1 kgf = 9.80665 N. See the conversion table above for more values.
Where does the kilogram-force to newton factor come from?
The calculator uses the shared conversion library aligned with SI relationships published by NIST and BIPM where those standards apply.
Is this kilogram-force to newton converter free?
Yes. The calculator and the printable reference table are completely free, with no sign-up required.
Charts and printable PDF
Use the matching kilogram-force / newton chart when you need a printable table or offline reference.
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