Authoritative definitions of the International System of Units and SI prefixes.
Unit conversion
Kilogram-force to Kilonewtons Converter
1 kgf = 0.00980665 kN. Enter a value to convert kgf to kN, then use the formula and table below. Displayed digits may be rounded.
Force & torqueInstant result
Decimals
Formula result = input × 9.80665 ÷ 1000. 1 kgf ≈ 0.0098 kN
Nonzero results too small for the selected decimal places use scientific notation.
Nonzero results too small for the selected decimal places use scientific notation.
Common examples
One value, several units
Newtons9.8067 N
Kilonewtons0.0098 kN
Pound-force2.2046 lbf
Dynes980,665 dyn
Conversion table
| kgf | kN |
|---|---|
| 1 kgf | 0.0098 kN |
| 2 kgf | 0.0196 kN |
| 5 kgf | 0.049 kN |
| 10 kgf | 0.0981 kN |
| 25 kgf | 0.2452 kN |
| 50 kgf | 0.4903 kN |
| 100 kgf | 0.9807 kN |
Conversion chart
1 kgf0.0098 kN
5 kgf0.049 kN
10 kgf0.0981 kN
25 kgf0.2452 kN
50 kgf0.4903 kN
Worked example
1 kgf = 0.00980665 kN. Apply the selected conversion formula to other input values.
Unit definition
Kilogram-force (kgf) One kilogram-force equals 9.80665 newton.
Unit history
Kilogram-force is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert kgf to newton.
3. Convert the base value to kN and apply your display precision.
Understand the result before using it
Kilogram-force to Kilonewtons converts a value measured in Kilogram-force (kgf) into the equivalent value in Kilonewtons (kN). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 9.80665 ÷ 1000
Assumptions
- Kilogram-force and Kilonewtons represent the same force quantity.
- The input is expressed in kgf; the output is expressed in kN.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 kgf = 0.00980665 kN. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a kgf measurement in a document that expects kN.
- Compare a kilogram-force value with a value reported in kilonewtons.
- Check the kgf to kN arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Do not confuse kgf with another unit that has a similar name or symbol.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Kilogram-force to Kilonewtons?
result = input × 9.80665 ÷ 1000. Input is in kgf; result is in kN. 1 kgf = 0.00980665 kN. The displayed digits may be rounded.
What is 1 kgf in kN?
1 kgf = 0.00980665 kN. The displayed digits may be rounded.
Can I reverse the kgf to kN conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts kN back to kgf.
Is the Kilogram-force to Kilonewtons result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.