Knitting & Crochet Gauge Converter
Swatch gauge is the whole game in knitting and crochet: if your tension does not match the pattern, the finished piece comes out the wrong size. Enter your swatch gauge and the pattern gauge (stitches and rows over 10 cm or 4 inches), then either convert the pattern's stitch and row counts to the counts you should work at your gauge, or type a target width and length and get the cast-on stitches and rows to knit. Everything is simple ratio math — your count equals the pattern count times your gauge over the pattern gauge — so the finished size stays true even when your tension differs. The tool also suggests a needle-size change (a rough half-millimetre per stitch-per-10 cm of difference, as a starting point before you re-swatch) and shows a quick conversion table of common widths and lengths at your gauge. Runs entirely in your browser.
Runs 100% in your browser — your images and designs never leave your device.
Read the full guide to this tool
Notes
- Always knit and measure a gauge swatch in the actual stitch pattern and wash/block it first — gauge can shift noticeably after blocking.
- Counts are converted by the ratio of gauges, so the finished dimensions match the pattern; row gauge matters most for top-down and length-critical pieces.
- The needle suggestion (about 0.5 mm per stitch-per-10 cm of difference) is only a starting point — change the needle, swatch again, and measure; yarn and stitch pattern change how much a size shifts gauge.
- Runs 100% in your browser — your images and designs never leave your device.
Related tools
Cross-Stitch Pattern Maker
Turn any picture into a cross-stitch or perler-bead chart with symbols and a DMC thread legend.
String Art Generator
Turn a photo into string art: one continuous thread wound around nails, with the exact nail sequence and a printable template.
Graph Paper Generator
Print exact-scale graph paper: square, dot, isometric, hex, lined, polar and log grids.
Papercraft Box Generator
Generate printable box templates (nets) with fold lines and glue tabs at true physical size.
Printable Sundial Generator
Design a printable horizontal or vertical sundial tuned to your exact latitude.