RD1 Paper Size, Dimensions and Format (Chinese series)


546 x 787




Aspect ratio 1:1.44
Perimeter (P) 2,666 mm
Diagonal (d) 957.85 mm
Area (A) 429,702 mm²


The RD1 format measures 546 x 787 mm or 21.5 x 31 inches. An RD1 paper fromat has an aspect ratio of 1:1.44. The Area of the RD1 paper size is 429,702 mm² or 666.50 in² with a perimeter of 2,666 mm or 105 in. An RD1 format has a diagonal length of 957.85 mm or 37.73 in. The RD1 size belongs to the Chinese series. In the Chinese series there are a total of 14 paper sizes.

Frequently Asked Questions

The size of an RD1 paper is 546 x 787 mm

The size of an RD1 paper in inches is 21.5 x 31 in

The half size of an RD1 paper is 273 x 393.5 mm or 10.75 x 15.5 in

The aspect ratio of an RD1 is 1:1.44

The area of an RD1 paper is 429,702 mm or 666.50 in

The perimeter of an RD1 paper is 2,666 mm or 105 in

The diagonal measurement of RD1 paper is 957.85 mm or 37.73 in

Other Chinese Paper Sizes →

There are a total of 14 Chinese Paper Sizes.