Storage

Byte.com

File Storage Capacity by Bits and Bytes
  bit byte Kilobyte Megabyte Gigabyte
bit 1 8 8,192 8,388,608 8,589,934,592
byte 8 1 1,024 1,048,576 1,073,741,824
Kilobyte 8,192 1,024 1 1,024 1,048,576
Megabyte 8,388,608 1,048,576 1,024 1 1,024
Gigabyte 8,589,934,592 1,073,741,824 1,048,576 1,024 1
Terabyte 8,796,093,022,208 1,099,511,627,776 1,073,741,824 1,048,576 1,024
Petabyte 9,007,199,254,740,990 1,125,899,906,842,620 1,099,511,627,776 1,073,741,824 1,048,576
Exabyte 9,223,372,036,854,780,000 1,152,921,504,606,850,000 1,125,899,906,842,620 1,099,511,627,776 1,073,741,824
Zettabyte 9,444,732,965,739,290,000,000 1,180,591,620,717,410,000,000 1,152,921,504,606,850,000 1,125,899,906,842,620 1,099,511,627,776
     File Storage Capacity by Powers of Two (Base 2)
      bit       byte   Kilobyte Megabyte Gigabyte Terabyte Petabyte Exabyte Zettabyte Yottabyte 
bit 2^0 2^3 2^13 2^23 2^33 2^43 2^53 2^63 2^73 2^83
byte 2^3 2^0 2^10 2^20 2^30 2^40 2^50 2^60 2^70 2^80
Kilobyte 2^13 2^10 2^0 2^10 2^20 2^30 2^40 2^50 2^60 2^70
Megabyte 2^23 2^20 2^10 2^0 2^10 2^20 2^30 2^40 2^50 2^60
Gigabyte 2^33 2^30 2^20 2^10 2^0 2^10 2^20 2^30 2^40 2^50
Terabyte 2^43 2^40 2^30 2^20 2^10 2^0 2^10 2^20 2^30 2^40
Petabyte 2^53 2^50 2^40 2^30 2^20 2^10 2^0 2^10 2^20 2^30
Exabyte 2^63 2^60 2^50 2^40 2^30 2^20 2^10 2^0 2^10 2^20
Zettabyte 2^73 2^70 2^60 2^50 2^40 2^30 2^20 2^10 2^0 2^10
Yottabyte  2^83 2^80 2^70 2^60 2^50 2^40 2^30 2^20 2^10 2^0
New IEC Standard
bit bit 0 or 1
byte B 8 bits
kibibit Kibit 1024 bits
kilobit kbit 1000 bits
kibibyte (binary) KiB 1024 bytes
kilobyte (decimal) kB 1000 bytes
megabit Mbit 1000 kilobits
mebibyte (binary) MiB 1024 kibibytes
megabyte (decimal) MB 1000 kilobytes
gigabit Gbit 1000 megabits
gibibyte (binary) GiB 1024 mebibytes
gigabyte (decimal) GB 1000 megabytes
terabit Tbit 1000 gigabits
tebibyte (binary) TiB 1024 gibibytes
terabyte (decimal) TB 1000 gigabytes
petabit Pbit 1000 terabits
pebibyte (binary) PiB 1024 tebibytes
petabyte (decimal) PB 1000 terabytes
exabit Ebit 1000 petabits
exbibyte (binary) EiB 1024 pebibytes
exabyte (decimal) EB 1000 petabytes