Details
Your raw speed was 515407.65 bits per second which is the same as:
Communications
515.4 kilobits per second
How communication devices are rated. Kilo means 1,000 and mega means 1,000,000. Examples include 56k modem and 10Mbit Ethernet
Storage
62.9 kilobytes per second
The way data is measured on your hard drive and how file sharing and FTP programs measure transfer speeds. Kilo is 1,024 and mega is 1,048,576.
1MB file download
16.3 seconds
The time it would take you to download a 1 megabyte file at this speed.
Rating
Compared to all connection types worldwide, yours is fantastic
^^ on my 512 cable mathinger