Definition

How much data can be transmitted in a time period over a communications channel, often expressed in kilobits per second (kbps).


Information

The difference between bandwidth and data transfer causes much confusion and is worth noting.

Bandwidth is a rate and data transfer is a total. For example, you might be a web hosting plan with 128 kbps of bandwidth for a maximum monthly data transfer of roughly 40 GB.

128 kbps = bits = bytes
per second 128,000 16,000
per minute 7,680,000 960,000
per hour 460,800,000 57,600,000
per day 11,059,200,000 1,382,400,000
per month 331,776,000,000 41,472,000,000
divide by one billion
~41 gigabytes/month

Note: many hosts use the terms bandwidth and data transfer interchangeably, referring to the monthly data allowance as bandwidth.

see also: Digital Marketing Tools

Related Terms

view all terms in the Web Hosting glossary or all terms in the Digital Marketing glossary

Sites

Yahoo! : Communcations and Networking : Broadband

Articles

WebHosting Bandwidth – An Introduction
SitePoint.com (May 14, 2001)