What Paper Size Is Bigger Than A4 But Smaller Than A3?

Discover the paper size larger than A4 yet smaller than A3—B4 (250 x 353 mm), ideal for larger printouts that remain easy to handle.

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A4 measures 210 x 297 mm, whereas A3 measures 297 x 420 mm. A size that fits between them is B4, measuring 250 x 353 mm. This intermediate size is great for larger printouts that still need to be easily manageable.

FAQs & Answers

  1. What are the dimensions of B4 paper? B4 paper measures 250 x 353 millimeters, placing it between A4 and A3 in size.
  2. Why use B4 paper instead of A4 or A3? B4 paper offers a larger area than A4 while remaining more manageable than A3, making it ideal for larger documents that still need easy handling.
  3. How does B4 compare to A4 and A3 in terms of usage? B4 is used when you need more space than A4 provides, such as for posters or brochures, but want a size that is not as large or cumbersome as A3.

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For more information on standard paper sizes and their uses, check out our guides on A-series paper dimensions and printing best practices to choose the right size for your projects.

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