Free Knitting Calculators
Free online calculators for knitting and crochet. Calculate yarn requirements, gauge adjustments, stitch counts, and pattern sizing. Fast, accurate, no signup required.
Yarn & Fibre
Calculate yarn yardage, convert between yarn weights, plan substitutions, and estimate fibre content for any knitting or crochet project.
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Gauge & Tension
Convert gauge measurements, adjust for different needle sizes, and calculate stitch and row counts from your tension swatch.
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Stitch Counts
Calculate cast-on counts, increases, decreases, pattern repeats, and stitch marker placement for any knitting pattern.
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Garment Sizing
Calculate yarn quantities and dimensions for sweaters, socks, hats, scarves, blankets, and other knitted garments.
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Shaping & Construction
Calculate raglan decreases, sleeve shaping, necklines, armholes, and other garment construction details.
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Crochet
Crochet-specific calculators for gauge, amigurumi, granny squares, circles, ovals, blankets, and foundation chains.
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Colourwork
Calculate yarn quantities for stripes, Fair Isle, intarsia, colour blocks, gradients, and other colourwork techniques.
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Finishing
Calculate blocking measurements, seaming yarn, button spacing, zip lengths, and embellishments like pom poms, tassels, and fringe.
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Pattern Maths
Scale patterns, calculate sizing percentages, plan custom designs, and work out stitch counts for wraps, bobbles, pleats, and ruching.
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Project Planning
Plan knitting projects with time estimates, yarn budgets, stash management, and deadline tracking.
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KnitCalcs — Free Knitting Calculators
KnitCalcs offers 96+ free calculators across 10 categories. Every tool is fast, accurate, and requires no signup. Just enter your values and get instant results.
Browse all 96+ calculators or search above to find exactly what you need.