Originally Posted by Fabriclovr

A cheep 10 key calculator with 4 basic functions or the Quilting Calculator or an app on your phone or tablet or computer .... doesn't matter, as long as you know what the correlation between the fraction, the dismal and the inches on the ruler are, you can figure anything out! (they make lists and charts for that, read this thread.. http://www.quiltingboard.com/main-f1...s-t183214.html )