Convert Grams-force to Kilograms-force
1 gram-force (gf) equals 0.001 kilograms-force (kgf).
1 gf = 0.001 kgf
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gram-force to kilogram-force converter to paste a column from Excel.
How to Convert Gram-force to Kilogram-force
- 1 gf = 0.001 kgf
- 1 kgf = 1000 gf
- Example: convert 15 gf to kgf: 15 gf = 15 × 0.001 kgf = 0.015 kgf
Formula
kgf = gf ÷ 1000
Derivation from SI units:
- 1 gf = 9.80665 × 10⁻³ N (exact)
- 1 kgf = 1 kg × 9.80665 m/s² = 9.80665 N (exact)
- 1 gf = 0.00980665 N ÷ 9.80665 N per kgf = 0.001 kgf
Both units are defined exactly, so the factor is exact. Gram-force definition: gram-force; Kilogram-force definition: kilogram-force.
Worked examples
- A reading of 45 gf converts to 0.045 kgf.
45 gf × 0.001 = 0.045 kgf - A value of 100 gf is 0.1 kgf.
100 gf × 0.001 = 0.1 kgf
Gram-force to Kilogram-force conversion table
| Grams-force (gf) | Kilograms-force (kgf) |
|---|---|
| 1 gf | 0.001 kgf |
| 10 gf | 0.01 kgf |
| 35 gf | 0.035 kgf |
| 45 gf | 0.045 kgf |
| 50 gf | 0.05 kgf |
| 60 gf | 0.06 kgf |
| 100 gf | 0.1 kgf |
| 500 gf | 0.5 kgf |
| 1000 gf | 1 kgf |
Where it's used
Grams-force are used for keyboard switch actuation force (e.g. 45 gf), while kilograms-force appear in older metric engineering data and gauges (kgf/cm²). Both measure force, so the conversion is a fixed factor.
Gram-force to other force units
| Conversion | 1 gf equals |
|---|---|
| gram-force to newton | 0.00980665 N |
| gram-force to kilonewton | 0.00000980665 kN |
| gram-force to pound-force | 0.002204622622 lbf |
| gram-force to kilogram-force | 0.001 kgf |
| gram-force to kip | 0.000002204622622 kip |
| gram-force to dyne | 980.665 dyn |
| gram-force to ounce-force | 0.03527396195 ozf |
Frequently asked questions
How many kilograms-force are in 1 gram-force?
1 gf = 0.001 kgf.
How do I convert grams-force to kilograms-force?
Multiply the value in gf by 0.001, or divide it by 1000. For example, 15 gf × 0.001 = 0.015 kgf.
Is the gf to kgf conversion exact?
Yes. Both units are defined exactly, and 1 gf is exactly 0.001 kgf.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "gram-force".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "kilogram-force (kgf)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Grams-force to Kilograms-force. Retrieved October 17, 2026, from https://scientificconverters.com/force/gram-force-to-kilogram-force/
IEEE
Scientific Converters, "Convert Grams-force to Kilograms-force," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/force/gram-force-to-kilogram-force/