What is the size of half of an A4 paper?

The size of A4 paper after folding in half is 148mm x 210mm. This is because the size of A4 paper is 210mm x 297mm, and the length and width after folding are halved.

What is the size of half of A4 paper?

The size of half of A4 paper is: 148mm x 210mm

A4 paper is one of the international standard paper sizes, its size is 210mm x 297mm. After folding the A4 paper in half, the resulting size is half of its length and width, that is:

• Length: 210mm / 2 = 105mm
• Width: 297mm / 2 = 148.5mm

For ease of use, this is usually rounded to whole centimeters, so half of an A4 paper measures 148mm x 210mm.

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