Moved PermanentlyThe document has moved here. US paper sizes explained, names and dimensions for letter, legal and other US paper formats in inches and mm. Learn the standard legal paper size and dimensions for 2025. Understand its uses and differences from letter paper. Perfect for legal and professional documents. The Legal paper size is a common North American elongated paper size with dimensions of 8.5 x 14 inches. Learn about the Legal width, height, aspect ratio, and surface area and how this size compares to Letter, Tabloid, ANSI, and other ubiquitous US paper formats.