Paper sizes

Basic serie A

The most popular serie of formats is the basic serie A. It is normal format dravings (A4 or A3) and workbooks (A5 or A4). Basic size of serie A jis format A0.The base A0 size of paper is defined as having an area of 1 m² and a side ratio of 1 by √2. Successive paper sizes in the series A1, A2, A3, and so forth, are defined by halving the preceding paper size across the larger dimension. This also effectively halves the area of each sheet. The most frequently used paper size is A4 measuring 210 by 297 millimetres . See picture. Use in practice here.

 

Name	Size in mm	Number of sheets on 1m2	Area (m2)	Size with  cutback reserve
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)

 

Serie B

Name	Sizes v 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

 

Serie C

Name	Sizes v 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

 

Serie D

Name	Sizes v 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

 

Atypical formats of envelopes

Name	Sizes v mm
DL	110 x 220
C6/C5	114 x 229
C7/C6	81 x 162