Google Images

Pixels  Inches

400 X 300  1.33 in X 1 in

640 X 480  2.13 in X 1.6 in

800 X 600 -- > 2.67 in x 2 in

1024 X 768  3.4 in X 2.56 in

1600 X 1200 (2 MP)  5.33 in X 4 in

2272 X 1704 (4 MP)  7.57 in X 5.68 in

2816 X 2112 (6 MP)  9.38 in X 7 in

3264 X 2448 (8 MP)  10.88 in X 8.16 in

3648 X 2736 (10 MP)  12.16 in X 9.12 in

4096 X 3072 (12 MP)  13.65 in X 10.24 in

4480 X 3360 (15 MP)  14.93 in X 11.2 in

5120 X 3840 (20 MP)  17 in X 12.8 in

7216 X 5412 (40 MP)  24 in X 18 in

9600 X 7200 (70 MP)  32 in X 24 in