ANSI C

The ANSI C paper size measures 17 inches wide by 22 inches tall, giving it a surface area of 374 square inches. As the third size up in the ANSI system, it sees some specialized use for oversized documents, posters, and charts requiring more area than Ledger but not as much as the largest formats. Its 17:22 aspect ratio mirrors the ratio of ANSI A, so it scales up cleanly while maintaining the same approximate shape. The long grain runs parallel to the 22 inch length. While not common for everyday purposes, ANSI C can be helpful for large spreadsheets, blueprints, and graphics needing to print big while fitting standard printer tray dimensions. It allows double-sided scaled printing without skewing page layouts designed for Ledger size. The ANSI C size has no direct equivalent in other international standards, falling between ISO A2 and A1.