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 27.66 cm or 10.89". 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 27.66 cm or 10.89"
RD0
- Size: 31x43"
- Aspect ratio: 31/43
D0
- Size: 30.1x41.9"
- Aspect ratio: 301/419
RD1
- Size: 21.5x31"
- Aspect ratio: 43/62
D1
- Size: 20.9x29.9"
- Aspect ratio: 209/299
RD2
- Size: 15.5x21.5"
- Aspect ratio: 31/43
D2
- Size: 15x20.8"
- Aspect ratio: 75/104
RD3
- Size: 10.7x15.5"
- Aspect ratio: 107/155
D3
- Size: 10.4x14.8"
- Aspect ratio: 26/37
RD4
- Size: 7.7x10.7"
- Aspect ratio: 77/107
D4
- Size: 7.4x10.2"
- Aspect ratio: 37/51
RD5
- Size: 5.4x7.7"
- Aspect ratio: 54/77
D5
- Size: 5.1x7.2"
- Aspect ratio: 17/24
RD6
- Size: 3.9x5.4"
- Aspect ratio: 13/18
D6
- Size: 3.6x5"
- Aspect ratio: 18/25
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