One first-class postage stamp is sufficient to mail three sheets of 20-pound bond paper plus a number 10 business-size envelope. This letter weighs almost 1 ounce, assuming the paper is no larger than 8.5 inches by 11 inches.
Three sheets of heavier paper, such as 24-pound bond, require the extra postage needed for a letter weighing between 1 and 2 ounces. A heavier-than-usual number-10 envelope also adds a fraction of an ounce to the weight. If a letter contains more than three sheets of paper, it is best to affix the extra postage required for a 1- to 2-ounce letter or have the letter weighed at the post office.Learn More
The number of sheets of paper that can be sent using a single First-Class postage stamp depends on how thick the paper is. For normal-weight writing paper, such as 20-pound paper, about six sheets can be mailed.Full Answer >
The number of sheets of paper you can send using one First Class Mail stamp in the United States varies by the weight or quality of the paper. The post office also counts the stamp and return address sticker in the total weight of the letter.Full Answer >
The cost of a first-class postage stamp was $0.05 in 1963. Adjusting for inflation, this price would equal $0.38 in 2012 dollars, which was 7.5 cents cheaper than the actual price of a stamp purchased in 2012.Full Answer >
A first-class postage stamp in 1980 cost 15 cents, according to the United States Postal Service. This price was effective from May 29, 1978, until the rate increased to 18 cents on March 22, 1981.Full Answer >