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.
13 calculators →
Gauge & Tension
Convert gauge measurements, adjust for different needle sizes, and calculate stitch and row counts from your tension swatch.
10 calculators →
Stitch Counts
Calculate cast-on counts, increases, decreases, pattern repeats, and stitch marker placement for any knitting pattern.
10 calculators →
Garment Sizing
Calculate yarn quantities and dimensions for sweaters, socks, hats, scarves, blankets, and other knitted garments.
11 calculators →
Shaping & Construction
Calculate raglan decreases, sleeve shaping, necklines, armholes, and other garment construction details.
10 calculators →
Crochet
Crochet-specific calculators for gauge, amigurumi, granny squares, circles, ovals, blankets, and foundation chains.
10 calculators →
Colourwork
Calculate yarn quantities for stripes, Fair Isle, intarsia, colour blocks, gradients, and other colourwork techniques.
10 calculators →
Finishing
Calculate blocking measurements, seaming yarn, button spacing, zip lengths, and embellishments like pom poms, tassels, and fringe.
10 calculators →
Pattern Maths
Scale patterns, calculate sizing percentages, plan custom designs, and work out stitch counts for wraps, bobbles, pleats, and ruching.
10 calculators →
Techniques
Calculate evenly spaced increases and decreases, shaping rates, stitch distribution and row-by-row instructions for knitting techniques.
1 calculators →
Project Planning
Plan knitting projects with time estimates, yarn budgets, stash management, and deadline tracking.
11 calculators →
Stitch Patterns
Calculators for specific stitch patterns including brioche, cables, lace and textured stitches with yarn and sizing adjustments.
3 calculators →
Accessories
Calculators for knitted accessories including mittens, gloves, hats and other small projects.
1 calculators →
Reference
Useful reference guides and charts for knitting terminology, needle sizes, measurements and yarn weights.
4 calculators →
KnitCalcs — Free Knitting Calculators
KnitCalcs offers 114+ free calculators across 14 categories. Every tool is fast, accurate, and requires no signup. Just enter your values and get instant results.
Browse all 114+ calculators or search above to find exactly what you need.