Paper size
Traditional inch-based paper sizes
Traditionally, a number of different sizes were defined for large sheets of paper, and paper sizes were defined by the sheet name and the number of times it had been folded.

Paper size

Section Title: Traditional inch-based paper sizes
Table Section Text: Traditionally, a number of different sizes were defined for large sheets of paper, and paper sizes were defined by the sheet name and the number of times it had been folded.

Name	Classic British definitions	Modern American adaptations

in × in	mm × mm	Ratio	in × in	mm × mm	Ratio

Emperor	48 × 72	1219 × 1829	1.5

Quad demy	35 × 45	889 × 1143	1.2857

Antiquarian	31 × 53	787 × 1346	1.7097

Grand eagle	​28 3⁄4 × 42	730 × 1067	1.4609

Double elephant	​26 3⁄4 × 40	678 × 1016	1.4984

Atlas	26 × 34	660 × 864	1.3077

Colombier	​23 1⁄2 × ​34 1⁄2	597 × 876	1.4681

Double demy	​22 1⁄2 × ​35 1⁄2	572 × 902	1.57	​22 1⁄2 × 35	572 × 889	1.5

Imperial	22 × 30	559 × 762	1.3636

Double large post	21 × 33	533 × 838	1.5713

Elephant	23 × 28	584 × 711	1.2174	same

Princess	​21 1⁄2 × 28	546 × 711	1.3023

Cartridge	21 × 26	533 × 660	1.2381

Royal	20 × 25	508 × 635	1.25	same

Sheet, half post	​19 1⁄2 × ​23 1⁄2	495 × 597	1.2051

Double post	19 × ​30 1⁄2	483 × 762	1.6052

Super royal	19 × 27	483 × 686	1.4203

Broadsheet	18 × 24	457 × 610	1.3

Medium	​17 1⁄2 × 23	470 × 584	1.2425	18 × 23	457 × 584	1.27

Demy	​17 1⁄2 × ​22 1⁄2	445 × 572	1.2857	same

Copy draught	16 × 20	406 × 508	1.25

Large post	​15 1⁄2 × 20	394 × 508	1.2903	​16 1⁄2 × 21	419 × 533	1.27

Post	​15 1⁄2 × ​19 1⁄4	394 × 489	1.2419	​15 1⁄2 × ​19 1⁄2	394 × 489	1.2581

Crown	15 × 20	381 × 508	1.3	same

Pinched post	​14 3⁄4 × ​18 1⁄2	375 × 470	1.2533

Foolscap	​13 1⁄2 × 17	343 × 432	1.2593

Small foolscap	​13 1⁄4 × ​16 1⁄2	337 × 419	1.2453

Brief	​13 1⁄2 × 16	343 × 406	1.1852

Pott	​12 1⁄2 × 15	318 × 381	1.2

Quarto	9 × 11	229 × 279	1.2

Executive, Monarch	​7 1⁄4 × ​10 1⁄2	184 × 267	1.4483

Sentence(s)

A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).
A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).
A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).

final_sentence: A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).
final_sentence: A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).
final_sentence: A double demy is 572 by 902 millimetres (22.5 in × 35.5 in).