It depends on the size and shape of the shelf, but an easy way to find out is divide the weight in pounds by 1000, because there are 1000 kilograms in a pound
Within the metric system the prefix kilo means 1,000. Therefore there are 1,000 grams in 1 kilogram. ^Read the Question^ He/She is not asking for Grams in a Kilo, in fact the person is asking for How...