International A paper sizes
- Millimetres
- A0
- 841 × 1189
- A1
- 594 × 841
- A2
- 420 × 594
- A3
- 297 × 420
- A4
- 210 × 297
- A5
- 148 × 210
- A6
- 105 × 148
- A7
- 74 × 105
- A8
- 52 × 74
- A9
- 37 × 52
- A10
- 26 × 37
RA & SRA paper sizes
- Millimetres
- RA0
- 860 × 1220
- RA1
- 610 × 860
- RA2
- 430 × 610
- RA3
- 305 × 430
- RA4
- 215 × 305
- SRA0
- 900 × 1280
- SRA1
- 640 × 900
- SRA2
- 450 × 640
- SRA3
- 320 × 450
- SRA4
- 225 × 320
International B paper sizes
- Millimetres
- 0
- 1414 × 1000
- B1
- 1000 × 707
- B2
- 707 × 500
- B3
- 500 × 353
- B4
- 353 × 250
- B5
- 250 × 176
- B6
- 176 × 125
- B7
- 125 × 88
- B8
- 88 × 62
- B9
- 62 × 44
- B10
- 44 × 31
- B1+
- 1020 × 720
- B2+
- 720 × 520