Originally Posted by Bobblehead

Do you trim leaving any batting or do you trim to the edge before adding the binding?
Thanks so much for the information.

Originally Posted by Bree123

Measure your quilt at each end & in the middle; take the average of those 3 numbers and cut your binding to that length.

As far as hanging on the wall, the bottom will always be a tiny bit wavy. The only solutions I've seen for that are to sew in a weighted bar or to use a narrow sleeve & bottom mount (Caryl Bryer Fallert does that with her wall quilts to keep them from "waffling"). http://www.bryerpatch.com/faq/storage.htm#bottom