Knitting Calculators
Free online knitting calculators for yarn, gauge, and project planning.
Knitting Decrease / Increase Rate Calculator
Plan even decreases or increases across a row or sleeve. Enter starting and target stitch counts plus row count to get the per-row spacing pattern.
Knitting Needle Size by Yarn Weight
Look up the recommended knitting needle size range for any standard yarn weight (lace through jumbo). Includes US, UK, and metric sizes side by side.
Sleeve Decrease Spacing Calculator
Plan even decreases along a knitted sleeve from upper-arm to cuff. Enter row counts and stitch counts to get the exact spacing pattern between decrease rounds.
Sweater Yarn Yardage Calculator
Estimate yarn yardage needed for a knitted sweater by chest size and yarn weight. Covers adult sizes XS through 3XL across worsted to fingering yarn.
Cast On Stitch Calculator
Calculate stitches to cast on based on your gauge swatch and desired width. Includes ease adjustments and rounding to any stitch pattern multiple.
Knitting Gauge Adjustment Calculator
Adjust a knitting pattern stitch count to match your actual gauge. Enter the pattern gauge, your gauge, and the original cast-on count to fix it.
Knitting Project Time Estimator
Estimate how long a knitting project will take based on total stitch count and your speed in stitches per minute. Shows hours needed and days to finish.
Knitting Rows to Length Calculator
Convert rows to inches or inches to rows using your row gauge. Essential for sleeve length, sock leg depth, and any vertically measured knitting piece.
Yarn Yardage Estimator for Knitting Projects
Estimate how many yards of yarn to buy for knitting a hat, scarf, sweater, socks, or blanket. Accounts for project size and yarn weight class.