I am just learning, but I don't think it is just me that finds the differences in US and Uk crcheting language a bit confusing.
Anyway I found this to help me out using US patterns, thought it might be useful to someone else.
http://www.yarnforward.com/crochet.html [1]
Link should take you to a conversion chart.
Gwen.
Links:
[1] http://www.yarnforward.com/crochet.html
[2] http://crochetme.com/forum/newbie-0
[3] http://crochetme.com/forum/saying-hello