In computer networking and computer science, digital bandwidth, network bandwidth or just bandwidth is a measure of available or consumed data communication resources expressed in bit/s or multiples of it (kbit/s, Mbit/s etc).
Bandwidth may refer to bandwidth capacity or available bandwidth in bit/s, which typically means the net bit rate, channel capacity or the maximum throughput of a logical or physical communication path in a digital communication system.
For example, bandwidth test implies measuring the maximum throughput of a computer network. The reason for this usage is that according to Hartley's law, the maximum data rate of a physical communication link is proportional to its bandwidth in hertz, which is sometimes called frequency bandwidth, radio bandwidth or analog bandwidth, the last especially in computer networking literature.
1. Conversion table for throughput speeds
2. File Size Bandwidth Calculator
Type of
Connection
bits per
second
hours :
minutes : seconds
14.4
kbps
14,400
bps
::
28.8
kbps
28,800
bps
::
33.6
kbps
33,600
bps
::
56 kbps
56,000
bps
::
64K
ISDN
64,000
bps
::
128K
ISDN
128,000
bps
::
640K-DSL
640,000
bps
::
1.54M
T1/1.5-DSL
1.5
Mbps
::
T3/DS3
45
Mbps
::
OC3 (3 DS-3, 84 DS-1, 2016
DS-0)
156
Mbps
::
OC12 (12 DS-3, 336 DS-1, 8064
DS-0)
622
Mbps
::
OC48 (48 DS-3, 1008 DS-1, 24192
DS-0)
2488
Mbps
::
PLEASE NOTE: bit = smallest pice or digital data (a 1 or a 0)
byte = smallest usable pice of data, made of 8 bits
kbit = Thousand bits
mbit = Million bits
This is where it gets wierd
Kbyte = 1024 bytes
Mbyte = 1024 Kbytes
Gbyte = 1024 Mbytes
