Explanation:

So one kilobyte is actually 1024 bytes, and 1024 of those is (1024 x 1024) 1048576 bytes. In short, one Megabyte is really 1,048,576 bytes. Therefore 1KB is the same as 1024 x 8 = 8192 binary digits. Gigabyte (GB): There are 1024MB in one gigabyte.