Kilogram-force under standard gravity.
Kilogram-forces to Ounce-forces Converter — kgf to ozf
Convert Kilogram-force (kgf) to Ounce-force (ozf) using the exact conversion factor (1 kilogram-force = 35.27396195 ounce-force). See the formula, worked examples, conversion table, and common uses.
Kilogram-forces to Ounce-forces converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Ounce-force.
Result = input x 9.80665 / 0.278013851.
Force units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Kilogram-forces to Ounce-forces
Kilogram-force and Ounce-force both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. 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
ounce-forces = kilogram-forces × 35.2739619496
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 ounce-force equals 0.278013850954 base units, so dividing one by the other gives the direct kilogram-force-to-ounce-force factor of 35.2739619496.
Simple example
1 kgf × 35.27396195 = 35.27396195 ozf
1 kilogram-force = 35.27396195 ounce-forces.
Real-world example
100 kgf × 35.27396195 = 3,527.396195 ozf
100 kilogram-forces = 3,527.396195 ounce-forces.
Conversion table
| Kilogram-force (kgf) | Ounce-force (ozf) |
|---|---|
| 1 kgf | 35.27396195 ozf |
| 10 kgf | 352.7396195 ozf |
| 50 kgf | 1,763.698097 ozf |
| 100 kgf | 3,527.396195 ozf |
| 500 kgf | 17,636.98097 ozf |
| 1,000 kgf | 35,273.96195 ozf |
Reverse conversion: Ounce-force to Kilogram-force
35.27396195 ozf × 0.02834952312 = 1 kgf
35.27396195 ounce-forces = 1 kilogram-forces.
kilogram-forces = ounce-forces × 0.028349523125
For a page dedicated to this direction, see Ounce-force 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 Ounce-force (ozf)
Ounce-force.
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 ounce-forces are in 1 kilogram-force?
1 kilogram-force equals 35.27396195 ounce-forces, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram-force to ounce-force?
Multiply the kilogram-force value by 35.27396195. The converter above does this instantly to whatever precision you set.
How do I convert ounce-force back to kilogram-force?
Use the reverse factor: 1 ounce-force equals 0.0283495231 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 ounce-force?
Ounce-force (ozf) is a unit of engineering.
Is the kilogram-force to ounce-force 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