are newtons in grams or kilograms?
Examples. 1 N is the force of Earth's gravity on a mass of about 100 g = ( 1∕ 9.81 kg). On Earth's surface, a mass of 1 kg exerts a force of approximately 9.8 N [down] (or 1.0 kilogram-force; 1 kgf = 9.80665 N by definition).