What is the standard size for letterhead stationary?

The standard size for letterhead stationery is 8 ½ x 11 inches. This size is widely accepted and used for business correspondence, making it adaptable for various types of documents including letters, memos, and reports. The dimensions allow for adequate space for content while fitting neatly into standard envelopes.

Using this size also ensures compatibility with printers and copy machines, which typically accommodate this paper size without any issues. The 8 ½ x 11 size is prevalent in the United States and many other countries, being integral for professional communication and documentation.

In contrast, the other options such as 8 x 10, 9 x 12, and 8 ½ x 14 are less commonly used for standard letterhead, which could lead to complications relating to printing and mailing. While 8 x 10 may appear similar in concept, it's not standard, and the other sizes fall outside the typical dimensions for business correspondence.