floppy disk (3.5", ED) Unit Converter

Definition of floppy disk (3.5", ED) unit

A 3.5-inch ED (Extra Density) floppy disk is a removable magnetic storage medium with a rigid plastic shell, designed to hold approximately 2.88 megabytes of data—twice the capacity of a standard high-density floppy disk.

History of floppy disk (3.5", ED) unit

The 3.5-inch ED floppy disk emerged in the early 1990s as manufacturers sought greater capacity without changing the compact format. Toshiba introduced the 2.88 MB ED standard, which used improved magnetic media and a higher recording density than 1.44 MB HD disks. IBM incorporated ED drives and disks into PS/2 and business systems, while manufacturers offered compatible products. Despite its advantages, ED never achieved widespread adoption because writable optical media, hard disks, and emerging flash storage became more affordable and convenient. Consequently, ED disks remain a niche stage in floppy-disk history.

Applications of floppy disk (3.5", ED) unit

Today, 3.5-inch ED disks are mainly encountered in archival collections, vintage-computing projects, museums, and retrocomputing communities. They can store operating-system files, applications, documents, and game data when paired with an ED-compatible drive. Because ED hardware is uncommon, users typically preserve these disks for historical access, data recovery, or demonstrations rather than everyday storage.

Complete list of floppy disk (3.5", ED) unit conversion

• bit [b] = 4.2385525173611E-8 floppy disk (3.5", ED)
• nibble = 1.6954210069444E-7 floppy disk (3.5", ED)
• byte [B] = 3.3908420138889E-7 floppy disk (3.5", ED)
• character = 3.3908420138889E-7 floppy disk (3.5", ED)
• word = 6.7816840277778E-7 floppy disk (3.5", ED)
• MAPM-word = 1.3563368055556E-6 floppy disk (3.5", ED)
• quadruple-word = 2.7126736111111E-6 floppy disk (3.5", ED)
• block = 0.00017361111111111 floppy disk (3.5", ED)
• kilobit [kb] = 4.3402777777778E-5 floppy disk (3.5", ED)
• kilobyte [kB] = 0.00034722222222222 floppy disk (3.5", ED)
• kilobyte (10^3 bytes) = 0.00033908420138889 floppy disk (3.5", ED)
• megabit [Mb] = 0.044444444444444 floppy disk (3.5", ED)
• megabyte [MB] = 0.35555555555556 floppy disk (3.5", ED)
• megabyte (10^6 bytes) = 0.33908420138889 floppy disk (3.5", ED)
• gigabit [Gb] = 45.511111111111 floppy disk (3.5", ED)
• gigabyte [GB] = 364.08888888889 floppy disk (3.5", ED)
• gigabyte (10^9 bytes) = 339.08420138889 floppy disk (3.5", ED)
• terabit [Tb] = 46603.377777778 floppy disk (3.5", ED)
• terabyte [TB] = 372827.02222222 floppy disk (3.5", ED)
• terabyte (10^12 bytes) = 339084.20138889 floppy disk (3.5", ED)
• petabit [Pb] = 47721858.844444 floppy disk (3.5", ED)
• petabyte [PB] = 381774870.75556 floppy disk (3.5", ED)
• petabyte (10^15 bytes) = 339084201.38889 floppy disk (3.5", ED)
• exabit [Eb] = 48867183456.711 floppy disk (3.5", ED)
• exabyte [EB] = 390937467653.69 floppy disk (3.5", ED)
• exabyte (10^18 bytes) = 339084201388.89 floppy disk (3.5", ED)
• floppy disk (3.5", DD) = 0.25 floppy disk (3.5", ED)
• floppy disk (3.5", HD) = 0.5 floppy disk (3.5", ED)
• floppy disk (5.25", DD) = 0.125 floppy disk (3.5", ED)
• floppy disk (5.25", HD) = 0.41666666666667 floppy disk (3.5", ED)
• Zip 100 = 35.555555555556 floppy disk (3.5", ED)
• Zip 250 = 88.888888888889 floppy disk (3.5", ED)
• Jaz 1GB = 364.08888888889 floppy disk (3.5", ED)
• Jaz 2GB = 728.17777777778 floppy disk (3.5", ED)
• CD (74 minute) = 231.11111111111 floppy disk (3.5", ED)
• CD (80 minute) = 248.88888888889 floppy disk (3.5", ED)
• DVD (1 layer, 1 side) = 1593.6957465278 floppy disk (3.5", ED)
• DVD (2 layer, 1 side) = 2882.2157118056 floppy disk (3.5", ED)
• DVD (1 layer, 2 side) = 3187.3914930556 floppy disk (3.5", ED)
• DVD (2 layer, 2 side) = 5764.4314236111 floppy disk (3.5", ED)