Kilogram-force under standard gravity.
Kilogram-forces to Dynes Converter — kgf to dyn
Convert Kilogram-force (kgf) to Dyne (dyn) using the exact conversion factor (1 kilogram-force = 980,665 dyne). See the formula, worked examples, conversion table, and common uses.
Kilogram-forces to Dynes converter
Converter
Force Converter
Convert newtons, dynes, pound-force, kilogram-force, kips, and ounce-force.
Context values
Some unit families need one extra value for a physically accurate result.
A dyne is a CGS force unit.
Result = input x 9.80665 / 1e-5.
Force uses the newton as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilogram-forces to Dynes
Kilogram-force and Dyne both measure force, and the conversion matters whenever an SI-trained engineer needs to compare notes with a US-trained one, or vice versa. Kilogram-force is most often used for appears on some older or legacy engineering and mechanical specifications, particularly torque wrenches and spring-force ratings, predating wider adoption of the newton.
Formula
dynes = kilogram-forces × 980665
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram-force equals 9.80665 base units, and 1 dyne equals 0.00001 base units, so dividing one by the other gives the direct kilogram-force-to-dyne factor of 980665.
Simple example
1 kgf × 980665 = 980,665 dyn
1 kilogram-force = 980,665 dynes.
Real-world example
10 kgf × 980665 = 9,806,650 dyn
10 kilogram-forces = 9,806,650 dynes.
Conversion table
| Kilogram-force (kgf) | Dyne (dyn) |
|---|---|
| 1 kgf | 980,665 dyn |
| 5 kgf | 4,903,325 dyn |
| 10 kgf | 9,806,650 dyn |
| 50 kgf | 49,033,250 dyn |
| 100 kgf | 98,066,500 dyn |
| 1,000 kgf | 980,665,000 dyn |
Reverse conversion: Dyne to Kilogram-force
1 dyn × 0.000001019716213 = 0.0000010197 kgf
1 dyne = 0.0000010197 kilogram-forces.
kilogram-forces = dynes × 0.00000101971621298
For a page dedicated to this direction, see Dyne to Kilogram-force.
Understanding the Kilogram-force
Kilogram-force (kgf) measures force. Defined as the force exerted by standard gravity on a mass of one kilogram — exactly 9.80665 newtons. It is classified as a non-SI unit, deprecated but still encountered.
Where it's used: Still encountered in some older European and Asian engineering specifications and torque-related equipment, though official use has been phased out in favor of the newton
Kilogram-force vs. newton. The newton is the modern SI unit of force; kilogram-force is an older, gravity-dependent unit still occasionally seen on legacy equipment. 1 kgf equals exactly 9.80665 N.
Uses of the Kilogram-force today
- Appears on some older or legacy engineering and mechanical specifications, particularly torque wrenches and spring-force ratings, predating wider adoption of the newton
Understanding the Dyne (dyn)
A dyne is a CGS force unit.
Kilogram-force — sources
- BIPM SI Brochure — Notes kilogram-force among non-SI force units whose use is discouraged in favor of the newton.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dynes are in 1 kilogram-force?
1 kilogram-force equals 980,665 dynes, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram-force to dyne?
Multiply the kilogram-force value by 980665. The converter above does this instantly to whatever precision you set.
How do I convert dyne back to kilogram-force?
Use the reverse factor: 1 dyne equals 0.0000010197 kilogram-forces. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram-force?
Kilogram-force (kgf) measures force. Defined as the force exerted by standard gravity on a mass of one kilogram — exactly 9.80665 newtons. It is classified as a non-SI unit, deprecated but still encountered.
What is a dyne?
Dyne (dyn) is a unit of force.
Is the kilogram-force to dyne conversion exact?
Yes. Defined as the force exerted by standard gravity on a mass of one kilogram — exactly 9.80665 newtons. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between kilogram-force vs. newton?
The newton is the modern SI unit of force; kilogram-force is an older, gravity-dependent unit still occasionally seen on legacy equipment. 1 kgf equals exactly 9.80665 N.
Where is the kilogram-force still used today?
Still encountered in some older European and Asian engineering specifications and torque-related equipment, though official use has been phased out in favor of the newton