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Conversions of many more force units
The force F
Newton N is the SI basic unit of force. 1 N = 1 kg × m / s².
Force of weight is FG = m · g; Mass = m and gravity g = 9.80665 m/s².
1 kilogram-force (kp) exerted by Earth's gravity at sea level on 1 kilogram of mass.
1 N ≈ 0.10197 kilogram-force (kp) and 1 kilogram-force (kp) ≈ 9.80665 N.
| 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 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 convert from | to | multiply by |
| dyn; dyn | newton; N | 1.0 × 10-5 |
| kilogram-force; kgf = kilopond kp | newton; N | 9.80665 |
| kilopond; kp = kilogram-force | newton; N | 9.80665 |
| kip; 1 kip = 1000 lbf | newton; N | 4.448222 × 103 |
| kip; 1 kip = 1000 lbf | kilonewton; kN | 4.448222 |
| ounce (avoirdupois)-force; ozf | newton; N | 2.780139 × 10-1 |
| poundal | newton ; N | 1.382550 × 10-1 |
| pound-force: lbf | newton; N | 4.448222 |
| pound-force per pound ; lbf/lb (thrust to mass ratio) | newton per kilogram; N/kg | 9.80665 |
| ton-force; 2000 lbf | newton; N | 8.896443 × 103 |
| ton-force; 2000 lbf | kilonewton; kN | 8.896443 |
| pound-force per foot; lbf/ft | newton per meter; N/m | 1.459390 × 10 |
| pound-force per inch; lbf/in | newton per meter; N/m | 1.751268 × 102 |
Some force conversion factors from non-SI units
| Unit | Symbol | Equivalent SI Value |
| dyne | dyn | 10.0 µN |
| grain-force | grf | 635.4602 µN |
| gram-force | gf | 9.80665 mN |
| poundal | pdl | 138.2550 mN |
| ounce-force (avdp) | ozf | 278.0139 mN |
| pound-force | lbf | 4.448222 N |
| kilogram-force | kgf | 9.80665 N |
| kilopond | kp | 9.80665 N |
| sthène | sthène | 1.0 kN |
| kip = 1 000 lbf | kip | 4.448222 kN |
| ton-force US = 2 000 lbf (short) | tonf US | 8.896443 kN |
| tonne-force = 1 000 kgf (metric) | tf | 9.80665 kN |
| ton-force UK = 2 240 lbf (long) | tonf UK | 9.964016 kN |
Force conversion chart
Sorted from small to large
| Name of Force unit, F | Symbol | Definition | Relation to SI unit newton, N |
| newton (SI unit) | N | ≡ kg·m/s² | - |
| atomic unit of force | au | ≡ me·α2·c2/a 0 | ≈ 8.238 722 241×10−8 N |
| dyne (cgs unit) | dyn | ≡ g·cm/s² | = 10−5 N = 10µN |
| gravet | - | ≡ g × 1 g | = 9.806 65 mN |
| poundal | pdl | ≡ 1 lb·ft/s² | = 0.138 254 954 376 N |
| ounce-force | ozf | ≡ g × 1 oz | = 0.278 013 850 953 781 2 N |
| pound-force | lbf | ≡ g × 1 lb | = 4.448 221 615 260 5 N |
| kilogram-force;kilopond; grave | kgf; kp | ≡ g × 1 kg | = 9.806 65 N |
| sthene (mts unit) | sn | ≡ 1 t·m/s² | = 1 kN |
| kip; kip-force | kip; kipf; klbf | ≡ g × 1000 lb | = 4.448 221 615 260 5 kN |
| ton-force US | tnf | ≡ g × 1 sh tn | = 8.896 443 230 521 kN |
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