Yarn Guides & Yardage Calculations
Master yarn weights from lace to jumbo, calculate exact blanket yardage, decode WPI and ply counts, and avoid running out of yarn.
How Much Yarn for a Crochet Blanket? Chart and 3 Ways to Estimate
A full yardage chart for every blanket size, what changes the numbers, and three ways to estimate, including a swatch method that's accurate to within a few percent.
Yarn Weight Chart: Categories 0 to 7 Explained for Crochet
What yarn weight really means, the standard 0–7 chart with hooks and gauges, international ply names, how to identify unlabeled yarn, and how to substitute one yarn for another.
Related Crochet Calculators & Converters
Yarn Calculator
Estimate total yardage, meters, and skein count needed for blankets, scarves, sweaters, and shawls.
Yarn Weight Converter
Compare Craft Yarn Council categories (0 to 7), WPI, ply equivalents (US/UK/AUS), and hook pairings.
Skein Calculator
Calculate how many skeins or balls of yarn to buy based on yardage, grams, and ounces.