How Heavy Is A Ream Of Paper? When the manufacturer weighs the paper it’s not 500 8.5” x 11” size sheets, it’s 500 17” x 22” size sheets which are 4x the size of 8.5”x11”. Some quick math and that works out to a weight of 5 pounds for a ream of 8.5” x 11”
What Does Density Mean In Paper? What does density mean in paper? Paper density is a paper product’s mass per unit volume. The density can be calculated by dividing the grammage of paper (in grams per square metre or “gsm”) by its caliper (usually in micrometres, occasionally in mils). What is the density of paper?