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Umrechner

Bit (b):
Byte (B):
Kilobyte (kB):
Megabyte (MB):
Gigabyte (GB):
Terabyte (TB):

 

Tabelle 1

Bezeichnung
Symbol
vor der Standardisierung
nach der Standardisierung
Bit / bit
b
1
bit
=
1 bit
1
bit
=
1 bit
Byte
B
1
B
=
8 bit
1
B
=
8 bit
Kilobit
kbit / kb
1
kbit
=
1024 bit
1
kBit
=
1000 bit
Kibibit
KiBit
 
 
 
 
1
KiBit
=
1024 bit
Kilobyte
kB
1
kB
=
1024 B = Byte
1
kB
=
1000 Byte
Kibibyte
KiB
 
 
 
 
1
KiB
=
1024 Byte
Megabit
MBit / Mb
1
MBit
=
1024 KBit
1
MBit
=
1000 kBit
Mebibit
MiBit / Mib
 
 
 
 
1
Mib
=
1024 KiBit
Megabyte
MB
1
MB
=
1024 kB
1
MB
=
1000 kB
Mebibyte
MiBit / MiB
 
 
 
 
1
MiB
=
1024 KiB
Gigabit
GBit / Gb
1
GBit
=
1024 MBit
1
GBit
=
1000 MBit
Gibibit
GiBit / Gib
 
 
 
 
1
Gib
=
1024 MiBit
Gigabyte
GB
1
GB
=
1024 MB
1
GB
=
1000 MB
Gibibyte
GiB
 
 
 
 
1
GiB
=
1024 MiB
Terabyte
TB
1
TB
=
1024 GB
1
TB
=
1000 GB
Tebibyte
TiB
 
 
 
 
1
TiB
=
1024 GiB
Petabyte
PB
1
PB
=
1024 TB
1
PB
=
1000 TB
Pebibyte
PiB
 
 
 
 
1
PiB
=
1024 TiB
Exabyte
EB
1
EB
=
1024 PB
1
EB
=
1000 PB
Exbibyte
EiB
 
 
 
 
1
EiB
=
1024 PiB

Tabelle 2

1 Byte 8 bits
1024 Bytes 1 Kilobyte
1024 kiloBytes 1 Megabyte
1 kiloByte ca. 8000 bits
1 Megabyte ca. 8000000 bits
1 kilobit 1000 bits
1 megabit 1000000 bits

Tabelle 3

Verbindung
  
Theoretische
Rate in KBit
  
Optimale
Rate in KByte
  
Wahrscheinlichste
Rate in KByte
14,4 Modem   14,4 kbit/s   1,2 KByte/s     1 KByte/s
28,8 Modem   28,8 kbit/s   2,4 KByte/s     2 KByte/s
33,6 Modem   33,6 kbit/s      3 KByte/s   2,5KByte/s
56 k  Modem      53 kbit/s   4,8 KByte/s     4 KByte/s
Single ISDN      64 kbit/s   6 KByte/s     5 KByte/s
Dual ISDN   128 kbit/s   12 KByte/s   10 KByte/s
DSL - light   384 kbit/s   35 KByte/s   30 KByte/s
DSL   1024 kbit/s        
DSL   2048 kbit/s        
DSL   3072 kbit/s        
Wlan 802.11a   54 MBit/s       23 MBit/s
Wlan 802.11b   11 Mbit/s         5MBit/s
Wlan 802.11g   54 Mbit/s       19 MBit/s
Wlan 802.11n   248 Mbits/s       74 MBit/s

Tabelle 4

Der neue 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