Please find below a chart
which will help you to convert old (archaic) paper sizes to
inches.
Old
Term |
Sheet
Size in Inches (in) |
Sheet
Size in Millimeters (mm) |
Antiquarian |
31 x 53 |
787 x 1346 |
Atlas |
26¼ x 34 |
641 x 864 |
Columbier |
23½ x 24½ |
597 x 622 |
Copy |
16¼ x 20 |
413 x 508 |
Crown |
16¼ x 21 |
413 x 533 |
Demy |
17¾ x 22½ |
451 x 572 |
Double Crown |
20 x 30 |
508 x 762 |
Double Demy |
22½ x 35½ |
572 x 902 |
Double Elephant |
26½ x 40 |
673 x 1016 |
Double Foolscap |
17 x 27 |
432 x 686 |
Double Large
Post |
20¾ x 33 |
527 x 838 |
Double Post |
19 x 30½ |
483 x 775 |
Double Pott |
15 x 25 |
381 x 635 |
Elephant |
23 x 28 |
584 x 711 |
Foolscap |
13¼ x 16½ |
337 x 419 |
Foolscap
and Half |
13¼ x 24¾ |
337 x 629 |
Foolscap
and Third |
13¼ x 22 |
337 x 559 |
Imperial |
22 x 30 |
559 x 762 |
Index |
25½ x 30½ |
648 x 775 |
Large Imperial |
22 x 32 |
559 x 813 |
Large Post |
16½ x 20¾ |
419 x 527 |
Medium |
18¼ x 23 |
464 x 584 |
Pinched
Post |
14½ x 18½ |
368 x 470 |
Post |
15¼ x 19 |
387 x 483 |
Postal |
22½ x 28½ |
572 x 724 |
Pott |
12½ x 15 |
318 x 381 |
Royal |
20 x 25 |
508 x 635 |
Super Royal |
21 x 27 |
533 x 686 |