UnitPlanet

Crafts & Hobbies Calculators & Converters

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Seven reference tools for makers, sewers, and DIY enthusiasts: a yarn weight chart covering all Craft Yarn Council CYC categories with ply, WPI, and needle/hook sizes; knitting needle and crochet hook size charts spanning US, metric, and old UK/Canadian systems; a fabric yardage calculator that accounts for seam allowance and fabric width; a seed bead aught-size chart with mm diameters and per-gram counts; a unified drill bit size chart covering fractional, metric, wire gauge, and letter systems; and a sandpaper grit equivalents table comparing CAMI, FEPA, and JIS standards. All charts are interactive — click any row to highlight it for easy cross-referencing.

All Crafts & Hobbies Tools

Reference Charts