Relation Between Kg And Newton

In the international system of units (SI unit) Kilogram in short Kg is a unit measuring the mass of an object. Newton is a derived SI unit used to measure force. The relation between Kg and Newton are proportional. Which implies any change in the unit of force in Newtons will eventually reflect in the change of mass in Kg keeping acceleration constant.

Kg And Newton

The relation between Kg and Newton can be mathematically expressed using Newton’s second law of motion as follows-

\(1N=Kg\times \frac{m}{s^{2}}\)


  • N is the force in Newton.
  • Kg is the mass in kilograms.
  • m is the distance travelled in meter.
  • s is the time duration in seconds.

Thus 1 Newton is equal to the force needed to accelerate 1 kg of mass at the rate of 1 m/s2 .

Kg and Newton

In physics, kg is directly proportional to Newton. Which means that-

  • When the mass of the object in kg is high, the force required to move it in N is also high.
  • When the mass of the object in kg is low, the force required to move it in N is also low.

Refer the table below for kg to Newton and Newton to kg values.

Kg to Newton 1 kg = 9.81 N
Newton to kg 1N = 0.10197 kg

Hope you have understood the relation between eV and joule also eV joule conversion in physics as well as in electronics.

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