how big is regular paper
A (letter) Letter sized paper measures 8.5 x 11 or 216 x 279 mm. This type of paper is the most common paper size in the U.S. Letter sized paper is used for a wide variety of printing needs including correspondence, signs, and other documents. Legal sized paper measures 8.5 x 14 or 216 x 236 mm. This type of paper is commonly used for legal documents such as contracts.