Basic Series A
The most well-known series of formats is the basic A series. We commonly encounter formats A3, A4, or A5 in magazines, notebooks, drawings, etc. The basic format of the A series is A0. Its area, rounded to the nearest decimal place, equals 1m². From format A0, other formats are created in a descending sequence by halving the longer side (A1, A2, A3, A4, ...). See the image.
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Format designation | Dimensions in mm | Number of formats cut from 1m2 | Area (m2) | Raw sheet formats with trim allowance |
A0 | 841 x 1189 mm | 1 | 0.99995 | 860 x 1220 mm (RA0) |
A1 | 841 x 594 mm | 2 | 0.49955 | 610 x 860 mm (RA1) |
A2 | 420 x 594 mm | 4 | 0.24948 | 430 x 610 mm (RA2) |
A3 | 420 x 297 mm | 8 | 0.12474 | 305 x 430 mm (RA3) |
A4 | 210 x 297 mm | 16 | 0.06237 | 215 x 305 mm (RA4) |
A5 | 210 x 148 mm | 32 | 0.03108 | 152 x 215 mm (RA5) |
A6 | 105 x 148 mm | 64 | 0.01554 | 107 x 152 mm (RA6) |
A7 | 105 x 74 mm | 128 | 0.00777 | 76 x 107 mm (RA7) |
A8 | 52 x 74 mm | 256 | 0.00385 | 53 x 76 mm (RA8) |
Supplementary Series B
Format designation | Dimensions in mm | Area (m2) |
B0 | 1000 x 1414 | 1.414 |
B1 | 1000 x 707 | 0.707 |
B2 | 500 x 707 | 0.353 |
B3 | 500 x 353 | 0.176 |
B4 | 250 x 353 | 0.088 |
B5 | 250 x 176 | 0.044 |
B6 | 125 x 176 | 0.022 |
B7 | 125 x 88 | 0.011 |
B8 | 62 x 88 | 0.005 |
Supplementary Series C
Format Designation | Dimensions in mm | Area (m2) |
C0 | 917 x 1297 | 1.189 |
C1 | 917 x 648 | 0.594 |
C2 | 458 x 648 | 0.297 |
C3 | 458 x 324 | 0.148 |
C4 | 229 x 324 | 0.074 |
C5 | 229 x 162 | 0.037 |
C6 | 114 x 162 | 0.018 |
C7 | 114 x 81 | 0.009 |
C8 | 57 x 81 | 0.005 |
Supplementary Series D
Format Designation | Dimensions in mm | Area (m2) |
D0 | 771 x 1090 | 0.840 |
D1 | 771 x 545 | 0.420 |
D2 | 358 x 545 | 0.210 |
D3 | 385 x 272 | 0.105 |
D4 | 192 x 272 | 0.052 |
D5 | 192 x 136 | 0.026 |
D6 | 96 x 136 | 0.013 |
D7 | 96 x 68 | 0.007 |
D8 | 48 x 68 | 0.003 |
Further Envelope Formats
Format Designation | Dimensions in mm |
DL | 110 x 220 |
C6/C5 | 114 x 229 |
C7/C6 | 81 x 162 |