Here is a great Internet Speed Test Tool. It is from the www.AuditMyPC.com and has been cleared by McAfee as being a clean site and service. They also have several other services that you may find helpfull.

Bandwidth may be higher or lower depending on Internet congestion. Calculated tests do not reflect server reliability and/or speed.

Although we prefer this test over the other that we found, you may find the others of interest:

This free broadband speed test is offered at AuditMyPC.com.