Free tools
Craft calculators and reference, free to use.
Work out your gauge, check your yardage, and look up any stitch. These run the same math as the Worsted app, with nothing to download.
Gauge calculator
Turn your swatch into the exact number of stitches to cast on for any finished size.
Open →Yardage calculator
Check whether your yarn covers a project, and estimate how much a piece will use.
Open →Yarn weight chart
The standard weights from lace to jumbo, with hook, needle, and gauge ranges.
Open →Stitch glossary
Look up any crochet or knitting stitch, with US and UK terms and how to work it.
Open →