These heavier papers can be used for a variety of applications ranging from paperback book covers, folders, menus and scrapbooking. The cover weight category of papers is better known as cardstock. They are most often used for stationery, book pages and crafting projects. Text weight paper is a general category of lightweight papers. So whether you are looking for tissue paper, origami paper or scrapbooking paper, you’re really looking for papers with different weights and thicknesses.Īnother area of confusion is the industry terms “text weight” paper and “cover weight” paper. A sheet of plain copy paper measure approximately 0.004 inches thick (4 thousandths of an inch), also called four points. The term most frequently heard is “points”. Paper thickness is also measured in the thousandths of an inch. This comparative relationship is true when considering any paper but, in the United States, the comparison is only accurate if you are comparing the same paper type. By comparison, the 100 lb Card Shoppe cardstock is 271 gsm. In the case of most of the AC and Bazzill cardstock we carry, the 216 gsm rating which you will see in the product description means that a square meter of the cardstock (39.37 inches square) weighs 216 grams. This means, a particular paper type rated at 100 lbs will be thicker than the same kind of paper rated at 80 lbs. This standardization allows users to differentiate between selections. In the United States paper weight is usually specified in pounds. Paper manufacturers assign each type of paper a weight in grams per square meter (gsm) or pounds (lb). As papers can range from very thin tissue paper to heavy cardstock or even cardboard, understanding the terms and uses for each is helpful. While this gives a variety of options for craft projects, the selection can be overwhelming. First, there are many different types of paper so they are classified by size, weight, thickness and finish. When discussing paper, you are looking at several different specifications that define the characteristics of that particular paper type. Unfamiliar manufacturing industry terms can further cloud your research. The actual nature and grading of paper can be confusing at times, though. There are so many color, pattern and texture options available that you’ll find selections for every project that you can possibly conceive of. David has written hundreds of articles for newspapers, magazines and websites including American Express, Samsung, Re/Max and the New York Times' is a particular quiet joy to be found in the time spent crafting with beautiful paper. He is currently the owner of Mad Hat Labs, a web design and media consultancy business. ZX Printer: The Thickness of Printing Paper ListĪ published author, David Weedmark has advised businesses on technology, media and marketing for more than 20 years and used to teach computer science at Algonquin College.The GSM of card stock, for example, can't be converted to MM by comparing it to bond paper. It is nearly impossible to compare measurements of different types of paper accurately. The ratio of 60 to 180 GSM is 1:3, but the ratio of 0.08 to 0.19 mm is significantly different at 1:2.375. If you do the math, you'll see that these numbers don't correspond exactly. In short, the weight of the paper doesn't always tell you its thickness, or vice versa.Īs an example, each sheet of 60 GSM bond paper from one supplier may be 0.08 mm thick, while 180 GSM bond paper from the same supplier is 0.19 mm thick. This could be due to different recipes being used to manufacture the paper, different types of wood or other materials used to bind the fibers, or even differences in humidity. Keep in mind, however, that the calculations will not be accurate. If you can't access these tables, you can approximate the differences yourself, provided you are looking at paper of the same type and quality. This is the only way you can accurately compare one paper's measurements to another. Most suppliers should be able to give you a table showing how their paper compares in GSM and MM, and sometimes even its basis weight.
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