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The question: "What is the weight of one kilopond? (kilogram force kgf)" is easy to answer.
The kilopond is old and of no use. Do not think about it: One kilopond = 1 kp weighs exact 1 kilogram = 1 kg.
In 1960 the force unit kilopond was changed to newton in the SI system. 1 kp = 9.80665 N.
1 kg on the surface of the Earth weighs 9.80665 N, because 1 kg × 9.80665 m/s = 9.80665 N.
In daily life on Earth we take:
1 newton (force) ≈ 1/9.80665 kg = 0.10197 kg ≈ 102 grams (weight).
1 kilonewton (force) = 1000 N ≈ 1000/9.80665 kg = 102 kg (weight).
Conversions of other force units
| Our physics teacher always said to us: One Newton is a bar of chocolate. 102 gram ≈ 1 Newton. |
| Weight is a) the force to a body in a gravitational field as the weight force, b) the mass of a physical body. |
Conversion of newton to kilogram
Not for physic professors and science teachers :-) Only for domestic use on Earth.
Force is not Mass!
| Simply enter the value to the left or the right side. The calculator works in both directions of the ↔ sign. |
| The force conversion formulas Newton to kilogram-force (N to kgf): 1/9.80665 × N = 0.101971621298 × N = 1 kgf Kilogram-force to newton (kgf to N): 9.80665 × kgf = 1 Newton N |
| Since 1977 kgf and kilopond (unit symbol kp) are no longer the
permissible unit of force. It was formerly a base unit of the Technical
measurement system. Correct is now only N (pronounced Newton). 1 kilogram force (kgf) was the force of gravity, which is pushing a mass of 1 kg at one place in the world on the ground; calculated according to Newton's law force = mass × acceleration. Since the acceleration is dependent on the location, the weight force is varying. Usually, however, the standard acceleration of gravity is used. 1 kgf = 9.80665 newtons. |
Force conversion chart to newtons
| Unit Name | Symbol | SI Equivalent N |
| atomic unit of force | a.u. | 8.238722 241×10−8 N |
| crinal | crinal | 0.1 N |
| dyne | dyn | 1×10−5 N |
| gram force | gf | 9.806650 × 10−3 N |
| joule per centimeter | J/cm | 100 N |
| kilogram force | kgf, kgp | 9.806650 N |
| kilogram meter per square second | kg-m/s2 | 1 N |
| kilopound force (kip force) | kipf | 4448.2216152605 N |
| newton | N | 1 N |
| ounce force (av.) | ozf (av.) | 0.2780138509537812 N |
| pound force | lbf (av.), lbf | 4.4482216152605 N |
| pound force foot per inch | lbf-ft/in | 53.3786 N |
| poundal | pdl | 0.138254954376 N |
| slug foot per square second | slug-ft/s2 | 4.44822 N |
| slug force | 143.117 N | |
| square foot inch of mercury (0 °C) | ft2-inHg (0 °C) | 314.605 N |
| square foot inch of mercury (16 °C) | ft2-inHg (16 °C) | 313.751 N |
| ton force (long) | 9964.01641818352 N | |
| ton force (metric) | 9806.650 N | |
| ton force (short) | 8896.443230521 N |
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