Originally Posted by Momofthree
I made my first pinwheel. I used charms and my finished block measured 5 3/4. So if I am doing things correct I will have a 5 1/4 size block when all the blocks are sewn together in a strip. So I need to use that final measurement to figure out how many I need to make a twin size quilt. Am I correct?
Thanks for the measurement. The formula says 5.8 so yours are close enough. It's correct that you then subtract .5 to get the finished size so yes, use that to figure out how many blocks to make for a twin size.