Kích thước, size, khổ giấy A0, A1, A2, A3, A4, A5, A6,… theo quy định của ISO 216

Size	A series formats			B series formats			C series formats
	name	mm	inches	name	mm	inches	name	mm	inches
0	A0	841 × 1189	33.1 × 46.8	B0	1000 × 1414	39.4 × 55.7	C0	917 × 1297	36.1 × 51.1
1	A1	594 × 841	23.4 × 33.1	B1	707 × 1000	27.8 × 39.4	C1	648 × 917	25.5 × 36.1
2	A2	420 × 594	16.5 × 23.4	B2	500 × 707	19.7 × 27.8	C2	458 × 648	18.0 × 25.5
3	A3	297 × 420	11.7 × 16.5	B3	353 × 500	13.9 × 19.7	C3	324 × 458	12.8 × 18.0
4	A4	210 × 297	8.3 × 11.7	B4	250 × 353	9.8 × 13.9	C4	229 × 324	9.0 × 12.8
5	A5	148 × 210	5.8 × 8.3	B5	176 × 250	6.9 × 9.8	C5	162 × 229	6.4 × 9.0
6	A6	105 × 148	4.1 × 5.8	B6	125 × 176	4.9 × 6.9	C6	114 × 162	4.5 × 6.4
7	A7	74 × 105	2.9 × 4.1	B7	88 × 125	3.5 × 4.9	C7	81 × 114	3.2 × 4.5
8	A8	52 × 74	2.0 × 2.9	B8	62 × 88	2.4 × 3.5	C8	57 × 81	2.2 × 3.2
9	A9	37 × 52	1.5 × 2.0	B9	44 × 62	1.7 × 2.4	C9	40 × 57	1.6 × 2.2
10	A10	26 × 37	1.0 × 1.5	B10	31 × 44	1.2 × 1.7	C10	28 × 40	1.1 × 1.6