Textile & Sewing Calculators

Calculate how many yards or meters of fabric you need for a sewing project, with conversions between 45", 54", and 60" widths.

Convert seam allowances between imperial and metric and see cut size vs finished size for any pattern piece.

Calculate cast-on stitches from your gauge swatch and target measurement, or convert between pattern gauge and your actual gauge.

Calculate starting chain and row count for crochet projects based on your gauge swatch and target measurements.

Convert knitting needle sizes between US, UK, and metric, and crochet hook sizes between US letter and millimeter.

Estimate how much yarn you need for knitting or crochet projects by project type, size, and yarn weight.

Calculate quilt backing fabric yardage from quilt top dimensions including the extra overage needed for longarm quilting.

Calculate the cut square size needed to make half-square triangles of a finished size using 2-at-a-time, 4-at-a-time, or 8-at-a-time methods.

Calculate the number and length of fabric binding strips needed to bind a quilt of any size with joined diagonal seams.

Calculate fabric weight in grams per square meter (GSM) from a weighed sample of any size.

Calculate fabric shrinkage percentage from before and after washing measurements and determine the extra fabric to cut.

Calculate the finished size of a cross-stitch design on any Aida count (11, 14, 16, 18, 22) and the fabric size to buy.