I'm trying to work out how many files of a certain size I could fit on a CD-R or a DVD-R. The images are all scanned. I found the following equation which helps estimate the size of a scanned document:
Resolution (X) x Resolution (Y) x Document Height(inches) x Document Width(inches) x Colour Depth
Therefore an A4 document scanned at 200DPI in b/w would be:
= 8700867 Bits
Which is 1087608Bytes or 1062Kb or 1.04Mb
Looking at this I estimate that I can get 675 files on a CD-R and 4,018,109 Files on a DVD-R.
Am I calculating the DVD-R storage incorrectly, the difference between and CD-R and a DVD-R seem astronomical?