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

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

Extended data format size refers to the actual size of the book format after binding and cutting according to the specified format. According to the national standard, the allowable error of format size is1mm. The format size stipulated by the state is an international standard series, which has been included in the national industry standard GB/T 788- 1999 "Format Size of Books and Periodicals".

Commonly used format size:

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

Big 64 format:13/kloc-0 /×101mm or 130×99mm,

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

References:

Baidu encyclopedia-folio size