one is a force (or weight as its often called when affected by gravity), the other is a mass. If you multiply mass by the acceleration of the mass, then you get force. In most cases, a mass on the earth's surface is accelerated by 9.8 meters per second squares so the newton weight of a 1 kg mass is 9.8 times 1.Jan 8, 2016 read more
Weight - the force at which earth or any other gravity generating astral body attracts objects, it’s a vector value. In common use weight is often confused with mass. read more