Determine the pitch of the roof. The pitch is how steep the roof is. Pitch is calculated by the roof's rise over its run. Measure from the edge of the roof over 12 inches (12 is the run) and see how many inches up the roof line is (this is the rise). Get a slope multiplier from the chart below.
Quick Answer. According to the U.S. Postal Service, the price of a first-class postage stamp in the United States is 49 cents as of June 2014. This rate applies to standard-sized mail weighing 1 ounce or less. Letters weighing more than 1 ounce cost an additional 21 cents to mail.
USPS raises price of stamps. The U.S. Postal service is now charging Americans a penny more for stamps and postcard mailings. The price of a first-class stamp for domestic mail rose Sunday [1/27/2012] from 45 cents to 46 cents, while postcards cost 33 cents to send..S. Postal Service lifts stamp price by 1 cent. The cash-strapped U.S. Postal Service announced on Tuesday a one-cent increase in the cost of mailing a letter, starting in January. The new prices lift the cost of a first-class stamp to 45 cents starting on January 22, 2012, the first increase in more than two years.