How Big is BrainMaps?


BrainMaps currently has 46939674 MegaPixels (or 140.82 TeraBytes) of high-quality, sub-micron resolution neuroanatomical image data that is publicly available. This calculation does not include backups or multiple copies of the same image, and includes only images that are directly accessible online.

The total number of brain images is 13618, with an average size of 3446.88 MegaPixels/image (or 10.3 GigaBytes/image).

Just how big is 46939674 megapixels?  Each megapixel is 1000 x 1000 pixels, which is about the size of your computer's display monitor. If you were to continuously view 1 megapixel screenshots of BrainMaps image data at a rate of 1 screenful per second, 24 hrs per day, 7 days a week, which comes out to 86,400 megapixels/day or 604,800 megapixels/week, then it would take you about 1.5 years to view all of the image data at BrainMaps.