Originally Posted by Renee110
My quilt is 100 x 100. I was looking at the wide fabric for backing that is 108 inches wide. How do I calculate this?
You would need at least 3.25 yards of the wide backing fabric. Personally, I'd get 3.5 yards.
Sometime a longarmer (if you were sending it out be quilted) requires 6" extra on all sides, but I think the extra 4"-5" inches/per side should be enough and workable.