How to get image width and height in cm

[navram]

can any body tell me how can i get image width and height in cm.... now i get it in pixels.... plz help....

[MaierMan]

can any body tell me how can i get image width and height in cm.... now i get it in pixels.... plz help....

hmm... not quite sure.
Actually It should be px / dpi * ci.
ci means a constant describing "cm : inch" which is 2.54 : 1 (as dpi = dots/px per inch).

example:
2000px / 300dpi * 2.54 ~ 16,93cm

(hm... math correct? :p)

[navram]

Thank u 4 ur reply.... i think it works....