Food for Thought - Paper Sizes
In the ISO paper size system, the height-to-width ratio of all pages is the square root of two (1.4142 : 1). In other words, the width and the height of a page relate to each other like the side and the diagonal of a square. This aspect ratio is especially convenient for a paper size. If you put two such pages next to each other, or equivalently cut one parallel to its shorter side into two equal pieces, then the resulting page will have again the same width/height ratio.
ISO Sizes A series
| ISO Code |
Size in millimeters |
Size in inches |
Size in Points |
| 4A0 |
1582 mm x 2378 mm |
66.22 in x 93.62 in |
4768 pt x 6741 pt |
| 2A0 |
1189 mm x 1682 mm |
46.81 in x 66.22 in |
3370 pt x 4768 pt |
| A0 |
841 mm x 1189 mm |
33 in x 46.81 in |
2384 pt x 3370 pt |
| A1 |
594 mm x 841 mm |
23.39 in x 33 in |
1684 pt x 2384 pt |
| A2 |
420 mm x 594 mm |
16.54 in x 23.36 in |
1191 pt x 1684 pt |
| A3 |
297 mm x 420 mm |
11.69 in x 16.54 in |
842 pt x 1191 pt |
| A4 |
210 mm 297 mm |
8.27 in x 11.69 in |
595 pt x 842 pt |
| A5 |
148 mm x 210 mm |
5.83 in x 8.27 in |
420 pt x 595 pt |
| A6 |
105 mm x 148 mm |
4.13 in x 5.83 in |
298 pt x 420 pt |
| A7 |
74 mm x 105 mm |
2.91 in x 4.13 in |
210 pt x 298 pt |
| A8 |
52 mm x 74 mm |
2.05 in x 2.91 in |
147 pt x 210 pt |
| A9 |
37 mm x 52 mm |
1.46 in x 2.05 in |
105 pt x 147 pt |
| A10 |
26 mm x 37 mm |
1.02 in x 1.46 in |
74 pt x 105 pt |
to know more - http://en.wikipedia.org/wiki/Paper_size
Food for Thought (Seeds to enrich your roots):
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