Question: 1mb is how many pictures?
Answer: 8-bit (256 color) picture, there are 1048576, or 1024 X 1024 pixels in one megabyte. 16-bit (65536 colors) picture, one megabyte contains 524288 (1024 X 512) pixels. 24-bit RGB (16.7 million colors) picture, one megabyte has approximately 349920 (486 X 720) pixels.