Paper size standards

Explanation

ISO A-series sizes follow a √2 aspect ratio with A0 defined by area. North American sizes (Letter, Legal, Tabloid) use fixed inch dimensions. Conversion is a name→dimension table.

Variables

• size namee.g. A4, Letter
• width × heightstandard dimensions for that name

When to use

Print layout, PDF page setup, and design specs.

Use this formula

Related formulas

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