Project Planning
How to Choose a Yarn Buffer for a Crochet Project
Choose an explicit yarn planning buffer from project risks without treating 10%, 15%, 20%, or any other percentage as a universal crochet standard.
Editorial guide
Project math, explained
Seven reviewed guides support the three tools. The newest published guide appears first, with review and fact-check dates shown on each page.
Yarn & Yardage
Why Two Yarns of the Same Weight Can Have Different Yardage
Yarn weight categories describe thickness ranges, not fixed length per ounce. Compare product-specific label mass and length before substituting yarn.
Yarn & Yardage
How to Calculate Yarn for Multiple Crochet Panels
Estimate yarn for several crochet panels by grouping only compatible fabrics, calculating each group separately, and adding lengths after conversion.
Stitch Math
How Crochet Stitch Multiples and Pattern Repeats Work
Understand stitch multiples, balance stitches, turning chains, and vertical row repeats before changing a crochet foundation count.
Pattern Resizing
How to Adjust Crochet Stitch and Row Counts for a Different Gauge
Recalculate simple crochet stitch and row counts from pattern gauge and your measured gauge while preserving repeat constraints and construction limits.
Gauge & Swatches
How to Measure a Crochet Gauge Swatch Correctly
Measure crochet stitch and row gauge from a representative swatch without letting distorted edges or premature rounding hide the result.
Yarn & Yardage
Crochet Yarn Calculator From a Swatch: Yards & Skeins
Estimate crochet yarn in yards, meters, and whole skeins from a representative swatch, target dimensions, and product-specific yarn-label values.