If calculated by 150g copy paper, the full opening is 150g, then the opening of 16g is 150g/ 16g = 9.375g, that is to say, one page is 9.375g, and the book is printed on both sides, which is equal to.

Similarly, if it is 50 grams of printing paper, it is 546.875 grams, which is 0.55 kilograms, a little more than a catty.

For 6000 copies, it is about 300kg to 700kg depending on the number of pages.