What Are the Dimensions of Letter Size Paper?

Learn about Letter size paper dimensions (8.5 x 11 inches), the standard paper size in the US and Canada, and how it compares to A4 paper.

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Letter size paper measures 8.5 x 11 inches (215.9 x 279.4 mm). It's the standard paper size used in the United States and Canada for most printing needs. Letter size is part of the North American paper size standards, which differ from the A-series paper sizes used in most other countries, where A4 is the most commonly used size.

FAQs & Answers

  1. What is the standard size of Letter paper? Letter size paper measures 8.5 x 11 inches (215.9 x 279.4 mm) and is the most common paper size used in the United States and Canada.
  2. How does Letter size paper differ from A4 paper? Letter size paper (8.5 x 11 inches) is used primarily in the US and Canada, while A4 paper (210 x 297 mm) is the international standard used by most other countries.
  3. Why is Letter size paper used mainly in North America? Letter size paper is part of the North American paper size standards, which have historically differed from the international ISO A-series standards used elsewhere.

Watch More

For more insights on paper sizes, check out our related videos and articles comparing international paper formats like A4 and legal size paper, and tips on choosing the right paper for your printing projects.

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