KIBI 2^10 = 1 024 
MEBI 2^20 = 1 048 576
GIBI 2^30 = 1 073 741 824
TEBI 2^40 = 1 099 511 627 776
PEBI 2^50 = 1 125 899 906 842 624
EXBI 2^60 = 1 152 921 504 606 846 976

KILO  (10^3)^1 = 1 000
MEGA  (10^3)^2 = 1 000 000
GIGA  (10^3)^3 = 1 000 000 000
TERA  (10^3)^4 = 1 000 000 000 000
PETA  (10^3)^5 = 1 000 000 000 000 000
EXA   (10^3)^6 = 1 000 000 000 000 000 000
ZETTA (10^3)^7 = 1 000 000 000 000 000 000 000
YOTTA (10^3)^8 = 1 000 000 000 000 000 000 000 000

BITS AND BYTES

One byte = 8 bits

One kibibit = 1 Kibit   = 1024 bits
one kilobit = 1 kbit    = 1000 bits
one mebibit = 1 Mibit   = 1048576 bits
one megabit = 1 Mbit    = 1000000 bits
one gibibit = 1 Gibit   = 1073741824 bits
one gigabit = 1 Gbit    = 1000000000 bits
one tebibit = 1 Tibit   = 1099511627776 bits
one terabit = 1 Tbit    = 1000000000000 bits
one pebibit = 1 Pebibit = 1125899906842624 bits
one petabit = 1 Pbit    = 1000000000000000 bits
one exbibit = 1 Exbibit = 1152921504606846976 bits
one exabit  = 1 Ebit    = 1000000000000000000 bits

one kibibyte = 1 KiB   = 1024 bytes
one kilobyte = 1 KB    = 1000 bytes
one mebibyte = 1 MiB   = 1048576 bytes
one megabyte = 1 MB    = 1000000 bytes
one gibibyte = 1 GiB   = 1073741824 bytes
one gigabyte = 1 GB    = 1000000000 bytes
one tebibyte = 1 TiB   = 1099511627776 bytes
one terabyte = 1 TB    = 1000000000000 bytes
one pebibyte = 1 PiB   = 1125899906842624 bytes
one petabyte = 1 PB    = 1000000000000000 bytes
one exbibyte = 1 EiB   = 1152921504606846976 bytes
one exabiyte = 1 EB    = 1000000000000000000 bytes

    Source: geocities.com/compusec000/pb/no

               ( geocities.com/compusec000/pb)                   ( geocities.com/compusec000)