The thickness of a piece of paper depends on the type of paper and the intended use. Thickness is measured in calipers, which are expressed in thousandths of an inch, according to Case Paper.
Case Paper features a handy, downloadable caliper chart for a single sheet of paper based on its grade and weight. For example, the bond paper sold in stores for general use has a basis weight of 20. For a 17 by 22 inch sheet, the caliper thickness is .004. Before packaging, the sheets are divided into two 8.5 by 11 inch sheets, each with a caliper thickness of .002.
Learn MorePaper can be between 0.0028 to 0.0071 inches thick depending on its function. As an example, tracing paper is thinner than bond paper because of how it is made, but also because it has to be translucent in order to serve its purpose.
Full Answer >How much a ream of paper weighs depends on the thickness of the sheets. A 500-sheet ream of 20-pound bond paper weighs 5 pounds, while a 500-sheet ream of 24-pound bond paper weighs 6 pounds.
Full Answer >Manufacturers measure paper thickness in units called "mils." One mil is equal to one one-thousandth of an inch, and thicker paper provides better dispersal of ink. The name of this measurement for paper is its "caliper."
Full Answer >One First-Class postage stamp can mail three sheets of 20-pound bond paper inside of a number 10-size envelope, which is 4 1/8 inches by 9 1/2 inches. This piece of mail weighs almost one ounce, assuming the paper is no larger than 8 1/2 inches by 11 inches.
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