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Defined by the GB/T 148-1997 Chinese paper size standard, Chinese paper sizes were introduced in China from 1912-1949. The paper has a single aspect ratio and folding a size in half produces the next sized sheet of paper and so on.

This paper size documents the ISO standard but does not follow the same principles.

Format Width x Height (mm) Width x Height (inches)
D0 764 x 1064 mm 30.1 x 41.9 inches
D1 532 x 760 mm 20.9 x 29.9 inches
D2 380 x 528 mm 15 x 20.8 inches
D3 264 x 376 mm 10.4 x 14.8 inches
D4 188 x 260 mm 7.4 x 10.2 inches
D5 130 x 184 mm 5.1 x 7.2 inches
D6 92 x 126 mm 3.6 x 5 inches
RD0 787 x 1092 mm 31 x 43 inches
RD1 546 x 787 mm 21.5 x 31 inches
RD2 393 x 546 mm 15.5 x 21.5 inches
RD3 273 x 393 mm 10.7 x 15.5 inches
RD4 196 x 273 mm 7.7 x 10.7 inches
RD5 136 x 196 mm 5.4 x 7.7 inches
RD6 98 x 136 mm 3.9 x 5.4 inches