Sewing and Fabric Calculators

Fabric Yardage Calculator

Calculate how many yards of fabric you need for any sewing project based on pattern pieces, seam allowance, and fabric width.

Quilt Block Calculator

Calculate how many quilt blocks you need, total fabric yardage, and finished quilt dimensions for any quilt size.

Seam Allowance Calculator

Convert finished dimensions to cut size by adding seam allowance for garments, quilting, and home sewing projects.

Curtain Yardage Calculator

Calculate how many yards of fabric you need to sew curtains based on window size, fullness, hems, and pattern repeats.

Zipper Length Calculator

Find the correct zipper length for any sewing project based on opening size, zipper type, and application method.

Bias Tape Calculator

Calculate how much fabric you need to make bias tape and how many yards of tape you will get from a square of fabric.

Thread Estimator

Estimate how much thread you need for any sewing project based on seam length, stitch type, and fabric layers.

Knitting Cast-On Calculator

Calculate how many stitches to cast on for any knitting project based on your gauge, pattern repeat, and finished width.

Crochet Yarn Weight Calculator

Calculate how many skeins of yarn you need for any crochet project and find the right hook size for your yarn weight.

Embroidery Hoop Size Calculator

Find the right embroidery hoop size for your design and calculate how much fabric you need to fit in the hoop.