Textile & Fibre Craft Calculators
22 free calculators for sewing, quilting, knitting, and crochet. Accurate yardage estimates so you buy the right amount — every time.
Sewing Calculators
Fabric yardage, curtain fabric, bias binding, and more. Plan your sewing projects with confidence.
8 calculators
Quilting Calculators
Quilt backing, binding, borders, blocks, and batting. Get accurate fabric estimates for every layer.
8 calculators
Knitting & Crochet
Yarn yardage, gauge conversion, and pattern resizing. Know exactly how much yarn to buy.
4 calculators
Popular Calculators
Fabric Yardage Calculator
Fabric yardage for any sewing project — pattern repeat, 42-60-inch widths, nap and shrinkage allowances, and ⅛-yard or 1...
Curtain Fabric Calculator
Curtain fabric — fullness ratios for pencil pleat, pinch pleat, eyelet, and tab top headings; pattern repeat rounding; i...
Upholstery Fabric Calculator
Upholstery fabric for sofas, chairs, and cushions — armchair piece list with 4-inch tuck-in, 54 or 60-inch widths, patte...
Bias Binding Calculator
Continuous bias binding yield from a fabric square — enter square size and strip width (2.25-inch traditional quilt bind...
Dress Yardage Calculator
Dress fabric yardage — style multipliers for shift, A-line, fit-and-flare, and circle skirts; sleeve allowance; fabric w...
Quilt Backing Calculator
Quilt backing yardage and the most efficient piecing layout — 4-inch overhang, horizontal vs vertical seam comparison, 4...
Quilt Block Calculator
Plan quilt block layouts and per-colour fabric — 12.5-inch cut for 12-inch finished blocks (¼-inch SA), customisable sas...
Yarn Yardage Calculator
Yarn yardage for knitting and crochet — Craft Yarn Council weights (DK = 8-ply, Worsted = Aran), gauge-based math, plus ...
Knitting Gauge Calculator
Convert knitting and crochet gauge swatch measurements to stitch and row counts — 4-inch / 10-cm Craft Yarn Council conv...
Blanket Yarn Estimator
Yarn for blankets and throws — fingering to super bulky, baby 30×36 to queen 86×94 sizes, with cable and stitch-pattern ...
From the Blog
How to Calculate Fabric for Curtains
How to calculate curtain fabric: track width, fullness ratios (pencil 2-2.5×, pinch 2.5×, eyelet 2×), pattern repeat, li...
How Much Backing Fabric for a Quilt
Backing fabric for a quilt: 4-inch overhang, vertical vs horizontal seams, 108-inch wide backs, longarm prep, and worked...
Understanding Pattern Repeat on Fabric
Pattern repeat explained: standard vs half-drop, how to measure it, how it affects yardage, and why matched seams cost m...
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