54mbps - Is this fast?

Im not sure if that is my speed. But when I check my internet connection, that is what it says.

Im downloading now at 650kb/s while watching youtube and typing this.

How can I check actual speed?

You can test your speed here: http://www.dslreports.com/speedtest

Though you might want to ask /g/ also

>>2
And when you're checking it, make sure you don't have anything else using bandwidth (torrents, youtube, etc.) to get an accurate reading