US paper sizes explained, names and dimensions for letter, legal and other US paper formats in inches and mm.

It measures 8.5 by 11 inches (215.9 by 279.4 mm) and is similar in use to the A4 paper standard at 210 mm × 297 mm (8.27 in × 11.7 in) used by most other countries, defined in ISO 216 by the …

Feb 20, 2026 · The three most common standard US paper sizes are Letter (8.5 × 11 inches), Legal (8.5 × 14 inches), and Tabloid/Ledger (11 × 17 inches). Specialized applications use ANSI engineering …

Dec 12, 2025 · American paper size dimensions – such as ‘Letter’, ‘Legal’ and the ANSI series. English sheet sizes – with a focus on formats for writing paper and book printing.

What size is Letter paper? A Letter piece of paper measures 216 × 279 mm or 8.5 × 11 inches. Letter is part of the US series.

Mar 10, 2020 · The ANSI (American National Standards Institute) system is based on the common Letter size (8.5" × 11") and scales proportionally. Each larger size doubles the area of the previous size.

Letter size is a standard dimension for sheets of paper commonly used in the United States, Canada, Mexico, and parts of Central America. It shares the same size dimensions with the ANSI A in the …

They have different sizes standard sizes. The US Letter paper size is the most popular size used throughout the US. It is used in Canada and Philippines also. Letter, Legal, Ledger and Tabloid are …

The most frequently used paper size is A4 measuring 210 by 297 millimetres (8.27 in × 11.7 in). The standard dimensions are rounded to the nearest millimetre.

Jun 20, 2026 · In North America, the four paper sizes you'll meet most often are Letter (8.5×11"), Legal (8.5×14"), A4 (8.27×11.69") and Tabloid / Ledger (11×17"). Letter is the default for almost everything …