Imperial Paper Sizes

Reference data and engineering information about imperial paper sizes for miscellaneous applications.

imperialpapersizes

Overview

Engineering reference data for Imperial Paper Sizes in miscellaneous.

Key Formulas

Unit Conversion

$y = x \cdot k$

Multiply by conversion factor.

Linear Interpolation

$y = y_1 + \frac{(x - x_1)(y_2 - y_1)}{x_2 - x_1}$

Estimate between two known points.

Percentage

$p = \frac{\text{part}}{\text{whole}} \times 100\%$

Part as fraction of whole.

Variables

Symbol	Description	Unit
$x$	Input value	—
$y$	Output value	—
$k$	Conversion factor	—

Imperial Paper Sizes Reference

The following table provides a comprehensive list of imperial or pre-metric paper sizes historically used for engineering drawings, architectural plans, and other technical documents.

15 rows

Standard Imperial Paper Sizes for Drawings and Technical Documents
Paper Size	inches(in)	mm(mm)
Antiquarian	53 x 31	1346 x 787
Cartridge	26 x 12	660 x 305
Crown	20 x 15	508 x 381
Double Crown	30 x 20	762 x 508
Double Elephant	40 x 27	1016 x 686
Double Foolscap	27 x 17	686 x 432
Foolscap, paper cut	13.5 x 8.5	343 x 216
Foolscap, for normal writing	13 x 8	330 x 203
Quarto	10 x 8	254 x 203
Octavo	8 x 5	203 x 127
Imperial	30 x 22	762 x 559
Post	19 x 15.25	483 x 387
Royal	20 x 25	508 x 635
Quad Crown	40 x 30	1016 x 762
Quad Double Crown	60 x 40	1524 x 1016

Source: engineeringtoolbox.com

References

Original Source

Source: engineeringtoolbox.com