Free Sewing Calculators
Free sewing calculators for fabric yardage, quilting, pattern sizing, curtains, home sewing and more. Fast, accurate, no signup required.
Fabric & Yardage
Calculate fabric quantities, yardage, width conversions and shrinkage for any sewing project.
10 calculators →
Pattern & Sizing
Pattern grading, ease calculations, and body measurement adjustments for perfect fit.
10 calculators →
Seams & Construction
Seam allowances, darts, pleats, gathers, hems and construction detail calculations.
10 calculators →
Quilting
Quilt sizing, binding, backing, blocks, sashing, borders and batting calculations.
10 calculators →
Curtains & Blinds
Curtain fabric, lining, tracks, roman blinds and window treatment calculations.
10 calculators →
Home Sewing
Cushions, duvet covers, tablecloths, napkins and home furnishing calculations.
8 calculators →
Embroidery
Thread quantities, fabric calculations, hoop sizing and stabiliser requirements.
8 calculators →
Notions & Supplies
Buttons, elastic, ribbon, snaps, boning and other sewing notions calculations.
8 calculators →
Alterations
Hemming, taking in, letting out, tapering and garment alteration calculations.
8 calculators →
Sewing Maths
Stitch calculations, thread consumption, fabric costs and geometric pattern maths.
8 calculators →
SewCalcs — Free Sewing Calculators
SewCalcs offers 90+ free calculators across 10 categories. Every tool is fast, accurate, and requires no signup. Just enter your values and get instant results.
Browse all 90+ calculators or search above to find exactly what you need.