Craft Calculators
Free, verified craft calculators with step-by-step guides and reference data.
String Tension Calculator — Tennis, Badminton & Racquetball
Find a recommended racquet string tension by sport, skill level, and string type — plus a restring-frequency helper for tennis, badminton, and racquetball.
Aspect Ratio Calculator — Find, Convert & Resize
Find the simplified aspect ratio from width and height, solve for a missing dimension from a target ratio, or resize proportionally without distortion.
Quilt Fabric Calculator: Yardage for Top, Backing & Binding
Calculate quilt fabric yardage for top, backing, and binding. Choose quilt size and number of fabrics — get yards per color, backing panels, and binding.
Cross Stitch Calculator: Fabric Size, Stitch Count & Floss
Cross stitch calculator: enter stitch count and fabric type, get finished size, buy size, hoop recommendation, floss skeins, and time estimate. Inches and cm.