I have 384Kbps, but my download speeds are measured in K bytes. What speed should I expect?

DSL Speed Download Speed
128 Kbps 16K bytes per second
192 Kbps 24K bytes per second
384 Kbps 48K bytes per second
768 Kbps 96K bytes per second
1100 Kbps 137K bytes per second
1500 Kbps 187K bytes per second