Quilting Calculators & Design ToolsProfessional tools for fabric yardage, pattern math, and quilt sizingHST Calculator — Calculate square sizes for Half Square Triangle blocks using 2-at-a-time or 8-at-a-time methods Flying Geese — Calculate cutting sizes for no-waste Flying Geese and traditional methods Binding — Calculate fabric requirements for quilt binding based on strip width and mitered seams Backing — Calculate backing yardage and piecing layout for any quilt top size Fabric Yardage — Calculate total yardage needed for blocks, sashings, and borders Block Layout — Determine how many blocks fit in a quilt and calculate overall dimensions Seam Allowance Calculator — Add seam allowance to finished dimensions to get exact cutting sizes Quilt Size Guide — Reference chart for standard quilt dimensions across baby, throw, twin, queen, and king beds Fabric Cost Calculator — Estimate total fabric cost for your quilt project from yardage and price per yard Batting Calculator — Calculate the exact batting size and joining needed for your quilt Log Cabin Calculator — Calculate cutting sizes for each strip in a Log Cabin quilt block Sashing Calculator — Calculate sashing strips, cornerstones, and fabric yardage for your quilt layout Border Calculator — Calculate fabric strips and yardage for single or multiple quilt borders QST Calculator — Calculate cutting sizes for Quarter Square Triangle blocks On-Point Layout Calculator — Calculate setting and corner triangles for on-point quilt layouts Precut Calculator — Calculate yardage equivalents for Jelly Rolls, Charm Packs, and Layer Cakes Patchwork Block Diagram — Visualize a patchwork block with seam allowance added to every piece Y-Seam Calculator — Calculate cutting dimensions for Y-seam blocks with 60-degree diamonds Pinwheel Block Calculator — Calculate HST cutting sizes and yardage for pinwheel quilt blocks Dresden Plate Calculator — Calculate blade count, cutting dimensions, and yardage for Dresden Plate blocks Strip Quilt Calculator — Plan a strip quilt: strips needed, cutting dimensions, and total yardage Fabric Unit Converter — Convert fabric measurements between yards, meters, inches, and centimeters