Plate sizes

Photographic plates (usually glass coated with light-sensitive material, but historically, sometimes metal or paper) and cut-sheet film have been made in many "standard" sizes, often with a title; many early camera included the plate size title in the name of the camera.

See also Japanese formats and Large format.

Plate & Sheet Film Sizes
Metric sizes are to nearest mm for equivalent inch sizes.

Size (inches)	Size (mm)	Name/Type
15/8 × 21/8	41 × 57	"sixteenth-plate" tintypes
2 × 2½	51 × 64	"ninth-plate" tintypes
2 × 3	51 × 76	sheet film
2½ × 3½	64 × 89	"sixth-plate" tintypes
3 × 4	76 × 102	sheet film
31/8 × 41/8	79 × 105	"quarter-plate" tintypes
3¼ × 4¼	83 × 108	"quarter-plate" or "lantern slide" glass plates
3¼ × 5½	83 × 140	postcard or 3A
4 × 5	102 × 127	sheet film
4½ × 6½	114 × 165	Cabinet Card
4½ × 5½	114 × 140	"half-plate" tintypes
4¾ × 6½	120 × 165	"half-plate" glass plates
4 × 10	102 × 254	sheet film
5 × 7	127 × 178	sheet film
6½ × 8½	216 × 165	"full-plate" glass plates, tintypes
7 × 17	178 × 432	sheet film
8 × 6	203 × 152	Cabinet view
8 × 10	203 × 254	sheet film
8 × 20	203 × 508	sheet film
11 × 14	279 × 356	sheet film
12 × 20	305 × 508	sheet film
14 × 17	356 × 417	sheet film
16 × 20	406 × 508	sheet film
20 × 24	508 × 610	sheet film
	65 × 90	sheet film
	90 × 120	sheet film
	100 × 150	sheet film, another postcard format
	130 × 180	sheet film
	180 × 240	sheet film
	240 × 300	sheet film

Links

• Plate and tintype sizes on EdinPhoto site
• The Manual of Photography: Photographic and Digital Imaging p.104 by R. E. Jacobson