User`s guide

Basic Concepts E-13
Storage requirements
The following chart shows you the storage requirements for black-and-white
images, grayscale images, and color images in different sizes and resolutions. All
sizes are in kilobytes (KB); 1,000 kilobytes is equal to 1 megabyte (MB). Example:
1,028KB = 1.02MB; 65,742KB = 65MB; 131,484KB = 131MB; 1,577,813KB =
1.5GB (gigabits).
75 ppi 150 ppi
1200 ppi
300 ppi 600 ppi
2400 ppi
1028
514
385
220
165
257
130
97
55
42
65
33
25
14
11
4,109
2,055
1,540
880
660
16,435
8,218
6,153
3,516
2,637
65,742
32,872
24,010
14,063
10,547
8.5" x 11"
8.5" x 5.5"
5" x 7"
4" x 5"
3" x 5"
Single-bit Black-
and-White
514
257
193
110
83
8,218
4,109
3,077
1,758
1,319
32,872
16,436
12,305
7,032
5,274
2,055
1,028
770
440
330
131,484
65,743
49,219
28,125
21,095
525,927
262,969
196,875
112,500
84,375
8.5" x 11"
8.5" x 5.5"
5" x 7"
4" x 5"
3" x 5"
8-bit Grayscale
1,541
771
577
330
248
6,164
3,082
2,308
1,319
989
24,654
12,327
9,229
5,274
3,955
98,614
49,307
36,915
21,094
15,820
394,453
197,227
147,657
84,375
63,282
1,577,813
788,907
590,625
337,500
253,125
8.5" x 11"
8.5" x 5.5"
5" x 7"
4" x 5"
3" x 5"
24-bit Color