I saw this posted on another forum and thought it might help someone, you can use it on the internet or also if you have a smart phone including bb (I've tested it) it works great! Just add it to your bookmarks and fully functional calculator for both old points and the new propoints plan.
Apologies if it has been posted before.
WeightWatchers Points Calculator - UK
Apologies if it has been posted before.
WeightWatchers Points Calculator - UK