Card stock thickness guide

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Card stock, also known as cover stock, is paper that is thicker, heavier and sturdier than usual writing or copy paper. It can be used for business cards, greeting cards, scrapbooking and other business and art projects. Card stock comes in a variety of weights, sizes, colours and textures.

Weight and Thickness

Card stock thickness is commonly classified in terms of the weight of 500 large sheets. Most card stock is in the range of 22.7 to 49.9 Kilogram. In contrast, standard copy paper is 9.07 Kilogram. While the paper's density also affects the weight, making precise conversions impossible, an 80 pound paper is approximately .01 inches thick. Outside the United States, card stock weight is typically measured in grams.


Light to medium card stock is flexible and easy to fold. It is a popular choice for cover sheets, flyers, scrapbooking and other art projects. Heavier card stock of 36.3 Kilogram or more is used to make greeting cards, postcards, calendars and business cards.


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Card stock is manufactured in hundreds of different colours and patterns. Finishes range from matt to glossy, and a variety of textures are available. Most computer printers and copy machines have settings to adjust for paper weight and finish to ensure high quality printing on card stock.

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