SIZE CHART

Posters & Portals refer their paper sizes on the ISO 216 international standard, based on a 1:√2 aspect ratio, which allows for proportional scaling when a sheet is halved. It includes the A series (commonly used for documents) and the B series (for larger formats) The system is widely adopted globally, with the most familiar size being A4.

Paper	mm	cm	inches
A0	841 x 1189 mm	84.1 x 118.9 cm	33.1 x 46.8 in
A1	594 x 841 mm	59.4 x 84.1 cm	23.4 x 33.1 in
A2	420 x 594 mm	42 x 59.4 cm	16.5 x 23.4 in
A3	297 x 420 mm	29.7 x 42 cm	11.7 x 16.5 in
A4	210 x 297 mm	21 x 29.7 cm	8.3 x 11.7 in
A5	148.5 x 210 mm	14.85 x 21cm	5.8 x 8.3 in
A6	105 x 148.5 mm	10.5 x 14.85 cm	4.1 x 5.8 in
A7	74 x 105 mm	7.4 x 10.5 cm	2.9 x 4.1 in
A8	52 x 74 mm	5.2 x 7.4 cm	2.0 x 2.9 in
A9	37 x 52 mm	3.7 x 5.2 cm	1.5 x 2.0 in
A10	26 x 37 mm	2.6 x 3.7 cm	1.0 x 1.5 in

Paper	mm	cm	inches
B0	1000 x 1414 mm	100 x 141,4 cm	39.4 x 55.7 in
B1	707 x 1000 mm	70,7 x 100 cm	27.8 x 39.4 in
B2	500 x 707 mm	50 x 70,7 cm	19.7 x 27.8 in
B3	353 x 500 mm	35,3 x 50 cm	13.9 x 19.7 in
B4	250 x 353 mm	25 x 35,3 cm	9.8 x 13.9 in
B5	176 x 250 mm	17,6 x 25 cm	6.9 x 9.8 in
B6	125 x 176 mm	12,5 x 17,6 cm	4.9 x 6.8 in
B7	88 x 125 mm	8,8 x 12,5 cm	3.5 x 4.9 in
B8	62 x 88 mm	6,2 x 8,8 cm	2.4 x 3.5 in
B9	44 x 62 mm	4,4 x 6,2 cm	1.7 x 2.4 in
B10	31 x 44 mm	3,1 x 4,4 cm	1.2 x 1.7 in