What is the difference between A4 and Letter size paper?

A4 paper measures 210 x 297 mm (8.27 x 11.7 inches) and is used globally, while Letter size is 8.5 x 11 inches (216 x 279 mm), commonly used in the US and Canada.

What is Legal size paper used for?

Legal size paper measures 8.5 x 14 inches (216 x 356 mm) and is primarily used for legal documents and contracts requiring extra length.

What are common uses for A5 sized paper?

A5 size (148 x 210 mm or 5.8 x 8.3 inches) is often used for notepads, smaller booklets, or flyers where compact paper is preferred.

What Are the Most Common Letter Sizes and Their Dimensions?

Learn about common letter sizes like A4, Letter, Legal, and A5 with their exact dimensions for printing and document preparation.

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Oct 25, 2026

Common letter sizes include: A4 (210 x 297 mm or 8.27 x 11.7 inches), widely used globally for documents; Letter size (8.5 x 11 inches or 216 x 279 mm), prevalent in the United States and Canada; and Legal size (8.5 x 14 inches or 216 x 356 mm), often used for legal documents. Additionally, A5 (148 x 210 mm or 5.8 x 8.3 inches) is frequently used for notepads or smaller documents. Knowing these sizes helps in selecting the right paper for printing and document preparation.

FAQs & Answers

What is the difference between A4 and Letter size paper? A4 paper measures 210 x 297 mm (8.27 x 11.7 inches) and is used globally, while Letter size is 8.5 x 11 inches (216 x 279 mm), commonly used in the US and Canada.
What is Legal size paper used for? Legal size paper measures 8.5 x 14 inches (216 x 356 mm) and is primarily used for legal documents and contracts requiring extra length.
What are common uses for A5 sized paper? A5 size (148 x 210 mm or 5.8 x 8.3 inches) is often used for notepads, smaller booklets, or flyers where compact paper is preferred.

Watch More

For more detailed insights on paper sizes and printing standards, explore our guides on international paper formats like A3 and A2, as well as best practices for document layout and design.

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