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Crochet Gauge Calculator — Free Online Tool
Turn measured crochet swatches into stitches per four inches, estimated starting count and rows for a target dimension.
JavaScript is needed for the interactive tool. The formula and worked example remain available below.
How to use the Crochet Gauge Calculator
Turn measured crochet swatches into stitches per four inches, estimated starting count and rows for a target dimension.
- Enter real measurements or prices in the interactive tool.
- Check unit labels and customize any applicable fees, waste allowances or product-specific rates.
- Review the result, formulas and limitations before using it in purchasing, pricing or production decisions.
Crochet Gauge Calculator: formula & methodology
Stitches per inch = swatch stitches ÷ swatch width. Suggested starting stitches = target width × stitches per inch, rounded to selected multiple.
The tool uses your entered values and explicitly labeled assumptions. Final results may be rounded for display, while intermediate arithmetic retains available numeric precision. Verify material, tax, device or platform specifications relevant to your situation.
Worked example
A swatch measuring four inches across sixteen stitches indicates four stitches per inch; ten inches suggests forty stitches.
Try the example above and then change values to reflect your own project or comparison.
Frequently asked questions
Are turning chains and stitch-pattern repeats included?
No. Apply pattern-specific turning chains, borders, edge stitches, ease and shaping separately.
Should I block a crochet gauge swatch?
Measure after treating the swatch as the finished project will be treated, including washing and blocking where appropriate.
Are turning chains and edge stitches included?
No. Apply any stitch-pattern multiple, turning chain, edging, shaping and ease required by your actual crochet pattern.