160 g to kg (Convert 160 grams to kilograms)
First, note that g is the same as grams and kg is the same as kilograms. Thus, when you are asking to convert 160 g to kg, you are asking to convert 160 grams to kilograms. A gram is smaller than a kilogram. Simply put, g is smaller than kg. In fact, a gram is "10 to the power of -3" smaller than a kilogram.
Since a gram is 10^-3 smaller than a kilogram, it means that the conversion factor for g to kg is 10^-3.