Gram is the unit of mass, and the symbol is g. 1 kg is equal to1000 g.kg, which is a unit of mass made in China. One kilogram is equal to two kilograms, and 500 grams is equal to one kilogram. According to the relationship between grams, kilograms and kilograms, 0.625 grams is equal to 0.00 125 kilograms.

Mathematics is a discipline that studies the concepts of quantity, structure, change, space and information, and belongs to a formal science from a certain point of view.