Unités binaires

We often see mistakes in the binary units in French, for example, things such as:

  • Kbit (the abbreviation for kilo should be k not K),

  • Mbits/s (Mbit/s is correct, the plural s is not used)

  • Gbps (Gbit/s is correct, Gbps is the English version)

  • GB translated Gb (Go is correct, bits and bytes are different)

The following table should be enough in most cases:

English English long French French long Remark
b bit bit bit Bit values are 1 and 0
kb kilobit kbit kilobit A kilobit is 1,024 bits
Mb megabit Mbit mégabit A megabit is 1,024 kilobits
Gb gigabit Gbit gigabit A gigabit is 1,024 megabits
Tb terabit Tbit térabit A terabit is 1,024 gigabits
B byte o octet A byte is 8 bits
kB kilobyte ko kilooctet A kilobyte is 1,024 bytes
MB megabyte Mo mégaoctet A megabyte is 1,024 kilobytes
GB gigabyte Go gigaoctet A gigabyte is 1,024 megabytes
TB terabyte To téraoctet A terabyte is 1,024 gigabytes
kbps kilobit per second kbit/s kilobit par seconde
Mbps megabit per second Mbit/s mégabit par seconde
Gbps gigabit per second Gbit/s gigabit par seconde
Tbps terabit per second Tbit/s térabit par seconde
kBps kilobyte per second ko/s kilooctet par seconde
MBps megabyte per second Mo/s mégaoctet par seconde
GBps gigabyte per second Go/s gigaoctet par seconde
TBps terabyte per second To/s téraoctet par seconde
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