How big is 50 cm by 50 cm paper?

50 cm by 50 cm paper is equivalent to one and a half A4 paper.

A4 paper is defined by ISO 2 16, and its specification is 21* 29.7cm (210mm× 297mm). Most countries in the world use this international standard for paper size.

The following is an introduction to the paper size standard:

According to the size, folio is usually divided into three types: large format, medium format and small format. For 787× 1092 paper, 12 format is large format, 16 ~ 36 format is medium format, and 40 format is small format, but books with mainly characters are generally medium format. The folio shapes are rectangles with different proportions except for 6, 12, 20, 24 and 40.

According to the basic area of paper format, the format specifications are divided into A series, B series and C series. The layout size of A0 is 841mm×1189mm, and the layout area is 1m2. B0 has a width of1000 mm×1414 mm, and its width area is1.4m2. C0 has a width of 9 17mm× 1297mm, and its width area is/kloc-. ..

Refer to Baidu Encyclopedia-Paper Size for the above information.