Thread Calculator - Wool & Floss

Introducing the Thread Calculator by Tools of The Trade from The Wool & The Floss. This tool the perfect solution for calculating thread quantities. The see through grid lets you count the number of square inches per color on your canvas. Instructions are included to allow you to calculate the number of skeins or cards you will need for your project. Save money by not buying too much thread, or use up threads in your stash with ease.