What is the size of a5

What is the size of a5? This is an issue that many netizens are concerned about. Next, the editor of PHP will bring you a detailed size introduction ofa5. Interested netizens should follow the editor to take a look!

Detailed size introduction of a5

1. A5 paper is an international standard paper size, its size is148mmx210mm(5.83 inchesx8.27 inches).

2. It is often used in various applications such as letterheads, notebooks, leaflets and books.

3. The size of A5 paper is slightly larger than half of A4 paper, and it is the fifth size in the A series of paper sizes.

4. This series of sizes was developed by German engineer Walter Portmann in the early 20th century to create a series of standard paper sizes based on the golden ratio.

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