Special Sizes of Art Grounds
Cotton Rag Paper
Loose leaf 100% cotton French and Italian watercolor paper sheets usually come in Imperial sizes.
- 1/1 Full Imperial is ~
30 × 22 inches
or76 × 56 cm
,
somewhat smaller than metric A1 (841 × 594 mm
or33-1/8 × 23-3/8 inches
). - 1/2 Half Imperial is ~
22 × 15 inches
or,
a little smaller than A2 (420×594 mm or 16-1/2 x 23-3/8 in). - 1/4 Quarter Imperial is ~
15 × 11 inches
,
comparable to but smaller thanA3
(420 × 297 mm
or16-1/2 × 11-3/4 in
). - 1/8 Imperial is ~
11 × 7.5 inches
, a bit narrower than Letter ANSI A (11×8.5 inches
or279.4×215.9 mm
), and shorter and less narrower thanA4
(297 × 210 mm
or11-3/4 × 8-1/4 inches
). - 1/16 Imperial is ~
7.5 × 5.5 inches
, close to metricA5
size (148 × 210 mm
or5-7/8 × 8-1/4 inches
).
Other useful sizes:
A0
size (841 × 1188 mm
or 33-1/8 × 46-3/4
in) is big: nearly 3 × 4 feet
.
Metric System
Metric measurements are used in most countries in the world, the important exceptions being USA and Canada.
Metric paper sizes are also known as:
- SI (Système international (d'unités), The International System of Units), or
- DIN (Deutsches Institut für Normung, the German Institute for Standardization).