File Size vs. Resulting Print Quality
 Start with the size print you are wanting to print on the left, then move across the chart to see what file size you need to get either: Highest quality print, Good quality print, or Moderate quality print. Thanks goes to Pictopia for the numbers appearing here. Please visit their site at Pictopia.com.

Quality/PPI

 Highest/300 PPI Good/150 PPI Moderate/80 PPI
Print Size Pixels Size (MB) Pixels Size (MB) Pixels Size (MB)
8 x 10 2400 x 3000

21
 1200 x 1500

5
 640 x 800

1
11 x 14 3300 x 4200

40
 1650 x 2100

10
 880 x 1120

3
16 x 20 4800 x 6000

82
 2400 x 3000

21
 1280 x 1600

6
20 x 30 6000 x 9000

154
 3000 x 4500

39
 1600 x 2400

11
24 x 36 7200 x 10800

222
 3600 x 5400

56
 1920 x 2880

16
30 x 40 9000 x 12000

309
 4500 x 6000

77
 2400 x 3200

22
40 x 50 12000 x 15000

515
 6000 x 7500

129
 3200 x 4000

37
48 x 48 14400 x 14400

593
 7200 x 7200

148
 3840 x 3840

42
50 x 50 15000 x 15000

644
 7500 x 7500

161
 4000 x 4000

46
50 x 120 15000 x 36000

1545
 7500 x 18000

386
 4000 x 9600

110

 

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