Bestselling no math, quick, easy, accurate carry-along reference guide for quilters. Includes 16 charts and formulas to know accurate requirements for projects. At-a-glance yardage requirements for triangles, squares, setting blocks and more. Know fabric requirements and measurements for a variety of quilting techniques. Easily convert yards to inches to decimals, reduce or enlarge blocks, and more. An excellent resource to plan and prepare for projects.