The international (SI) unit is the newton. It is defined by Newton's Second Law: it is the force required to accelerate a mass of one kilogram, at a rate of 1 meter/second/second.
To get an idea of its magnitude: at normal Earth gravity, a mass of one kilogram has a weight of about 9.8 newton. (A weight is a force.)
The unit for force is the newton.
Do you mean Standard Unit of Force?
The unit of force is the newton (N).
In SI, the unit of force is the Newton.
There is no "strength of force", just "force". The SI unit for force is the newton.
Kilogram is a unit for mass, not force.
The common unit for force is the newton (N).
kgf
It is the same as the unit for any force: a Newton.
The SI unit is a Newton while an Imperial unit was a pound-force (not a pound).
It is a unit of force
The unit of force in the Coulomb's law equation is the Newton (N).