what is the paper weight for cardstock
1 Thickness â The thickness of paper is measured in points (pts), the thickness of a sheet in thousandths of an inch. Card stock thicknesses generally range from 8-14 pts (8-11 pts flimsy, 12-14 pts firm).  Weight â Weight is the term used to measure the heaviness of paper in pounds, and based on grams per square meter. Weights range from 20 to 80 pounds for bond paper and 50 to 140 pounds for card stock. In terms of grams per square meter (gsm), the range is usually from 60 gsm to 150gsm.