The RD4 size measures 19.56x27.18 cm or 7.7x10.7". A RD4 format card has an aspect ratio of 77/107. The area of the RD4 paper size is 531.55 cm² or 82.39 inch² with a perimeter of 93.47 cm or 36.8". A RD4 format has a diagonal length of 33.48 cm or 13.18". The RD4 format belongs to the Chinese series.
FAQ
What series does the RD4 format belong to?
The RD4 format belongs to the Chinese series
What is the size of the RD4 format?
The size of the RD4 format is 19.56x27.18 cm or 7.7x10.7"
What is the aspect ratio of the RD4 format?
The aspect ratio of the RD4 format is 77/107
What is the area of the RD4 format?
The area of the RD4 format is 531.55 cm² or 82.39 inch²
What is the perimeter size RD4?
The perimeter of the RD4 format is 93.47 cm or 36.8"
What is the diagonal size RD4?
The diagonal of the RD4 format is 33.48 cm or 13.18"
Formats Chinese:
RD0
Size: 31x43"
Aspect ratio: 31/43
Chinese
D0
Size: 30.1x41.9"
Aspect ratio: 301/419
Chinese
RD1
Size: 21.5x31"
Aspect ratio: 43/62
Chinese
D1
Size: 20.9x29.9"
Aspect ratio: 209/299
Chinese
RD2
Size: 15.5x21.5"
Aspect ratio: 31/43
Chinese
D2
Size: 15x20.8"
Aspect ratio: 75/104
Chinese
RD3
Size: 10.7x15.5"
Aspect ratio: 107/155
Chinese
D3
Size: 10.4x14.8"
Aspect ratio: 26/37
Chinese
RD4
Size: 7.7x10.7"
Aspect ratio: 77/107
Chinese
D4
Size: 7.4x10.2"
Aspect ratio: 37/51
Chinese
RD5
Size: 5.4x7.7"
Aspect ratio: 54/77
Chinese
D5
Size: 5.1x7.2"
Aspect ratio: 17/24
Chinese
RD6
Size: 3.9x5.4"
Aspect ratio: 13/18
Chinese
D6
Size: 3.6x5"
Aspect ratio: 18/25
Chinese
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