Find a conversion chart for kilobytes, megabytes and gigabytes at eagle-web-designs.com. In addition to charts, conversion calculators are available on websites such as TNHost.com, making it very easy to plug in a number to find out what a number converts to.
T1Shopper.com also contains a chart that you can use for converting measurements in terms of bits and kilo-, mega- and gigabytes. It also offers charts that are more intricate, such as "File Storage Capacity by Bits and Bytes," "File Storage Capacity by Powers of Two" and "New IEC Standard." T1Shopper also provides helpful tutorials and explanations to help explain what all of this information means for anyone who is interested.