1 kilobyte = 2¹⁰ bytes = exactly 1,024 bytes

   1 megabyte = 10²⁰ bytes = exactly 1,048,576 bytes

   1 gigabyte = 230 bytes = exactly 1,073,741,824 bytes

   1 terabyte = 240 bytes = exactly 1,099,511,627,776 bytes

   1 petabyte = 260 bytes = exactly 1,125,899,906,842,620 bytes

   1 byte = 8 bits (bit is short for binary digit)