A kilobyte (derived from the SI prefix kilo-, meaning 1000) is a unit of information or computer storage equal to either 1024 or 1000 bytes. It is commonly abbreviated KB, kB, Kbyte, kbyte, or, very informally, K or k.
Multiples of bytes
Decimal prefixes
(SI)
Binary prefixes
(IEC 60027-2)
Name
Symbol
Multiple
Name
Symbol
Multiple
kilobyte
kB
103
kibibyte
KiB
210
megabyte
MB
106
mebibyte
MiB
220
gigabyte
GB
109
gibibyte
GiB
230
terabyte
TB
1012
tebibyte
TiB
240
petabyte
PB
1015
pebibyte
PiB
250
exabyte
EB
1018
exbibyte
EiB
260
zettabyte
ZB
1021
zebibyte
ZiB
270
yottabyte
YB
1024
yobibyte
YiB
280
A kilobyte (derived from the SI prefix kilo-, meaning 1000) is a […]