Usually used format sizes:

Large 8 format: 374×262mm, small 8 format: 368×260mm;

Large 16 format: 262×187mm , small 16 format: 260×184mm;

Large 32 format: 203×140mm, small 32 format: 184×130mm;

Large 64 format: 131×101mm or 130×99mm ,

Small 64 format: 127×95mm or 125×92mm.

Extended information

In actual production, a full sheet of paper with a format of 787×1092 mm (31×43 inches) is usually called positive paper; a full sheet of paper with a format of 889× A full sheet of paper of 1194 mm (35 x 47 inches) is called generous paper.

Since the format of 787×1092 mm paper is defined by my country itself and is inconsistent with international standards, it is a non-standard format that needs to be phased out. Due to many reasons such as domestic papermaking equipment, paper and existing paper types, the old and new standards still need to have a transitional stage. As of 2013, the cutting specifications and sizes are:

Large 16 format 210×297 ( mm), large 32 format 148×210 (mm) and large 64 format 105×148 (mm); the positive dimensions are: 16 format 188×265 (mm), 32 format 130×184 (mm), 64 format 92×126 (mm).

Baidu Encyclopedia-Format Size