1 nibble [nibble] = 4 bit [b]

1 byte [B] = 8 bit [b]

1 character [char] = 8 bit [b]

1 word [word] = 16 bit [b]

1 mapm-word [MAPM-word] = 32 bit [b]

1 quadruple-word [quad-word] = 64 bit [b]

1 block [block] = 4096 bit [b]

1 kilobit [kb] = 1024 bit [b]

1 kilobyte [kB] = 8192 bit [b]

1 kilobyte (10^3 bytes) [kB (10^3)] = 8000 bit [b]

1 megabit [Mb] = 1048576 bit [b]

1 megabyte [MB] = 8388608 bit [b]

1 megabyte (10^6 bytes) [MB (10^6)] = 8000000 bit [b]

1 gigabit [Gb] = 1073741824 bit [b]

1 gigabyte [GB] = 8589934592 bit [b]

1 gigabyte (10^9 bytes) [GB (10^9)] = 8000000000 bit [b]

1 terabit [Tb] = 1099511627776 bit [b]

1 terabyte [TB] = 8796093022208 bit [b]

1 terabyte (10^12 bytes) [TB (10^12)] = 8000000000000 bit [b]

1 petabit [Pb] = 1125899906842600 bit [b]

1 petabyte [PB] = 9007199254741000 bit [b]

1 petabyte (10^15 bytes) [PB (10^15)] = 8000000000000000 bit [b]

1 exabit [Eb] = 1152921504606800000 bit [b]

1 exabyte [EB] = 9223372036854800000 bit [b]

1 exabyte (10^18 bytes) [EB (10^18)] = 8000000000000000000 bit [b]

1 floppy disk (3.5", dd) [floppy 3.5" DD] = 5830656 bit [b]

1 floppy disk (3.5", hd) [floppy 3.5" HD] = 11661312 bit [b]

1 floppy disk (3.5", ed) [floppy 3.5" ED] = 23322624 bit [b]

1 floppy disk (5.25", dd) [floppy 5.25" DD] = 2915328 bit [b]

1 floppy disk (5.25", hd) [floppy 5.25" HD] = 9711616 bit [b]

1 zip 100 [Zip 100] = 803454976 bit [b]

1 zip 250 [Zip 250] = 2008637440 bit [b]

1 jaz 1gb [Jaz 1GB] = 8589934592 bit [b]

1 jaz 2gb [Jaz 2GB] = 17179869184 bit [b]

1 cd (74 minute) [CD 74min] = 5448466432 bit [b]

1 cd (80 minute) [CD 80min] = 5890233976 bit [b]

1 dvd (1 layer, 1 side) [DVD 1/1] = 40372692582.4 bit [b]

1 dvd (2 layer, 1 side) [DVD 2/1] = 73014444032 bit [b]

1 dvd (1 layer, 2 side) [DVD 1/2] = 80745385164.8 bit [b]

1 dvd (2 layer, 2 side) [DVD 2/2] = 146028888064 bit [b]