Reed Sleying Chart
Find your reed size at the top of the Chart in Bold.
Read down to find the sett you want, then across to find the order of sley of the reed to achieve that sett.
Click here for a printer friendly version of the chart
These setts are a starting point. Each different yarn brand and twist of yarn will be a bit different so the best advice would be to sample to make sure you are getting the desired fabric hand or drape you are looking for.
For a printer friendly version of the charts below Click here.
Handwoven Magazine has a great master yarn chart with more options.
Yarn Yardage by Weight/Size