Yarn & Crafting Calculators

Every yarn and general crafting calculator on the site in one place, organized to help you plan a project from yarn selection through to the finished piece.

Yarn crafting involves a surprising amount of arithmetic before a single stitch gets worked — how much yarn a project needs, what it will cost, how a skein's weight converts to usable length, and whether a stash of leftover yarn is enough to finish something. This category collects every general-purpose yarn and crafting calculator on the site, from yardage and cost estimation to weight conversion and project tracking.

If you're new to yarn weight and substitution specifically, the yarn weight guide covers the standard weight categories and how to safely swap one yarn for another. For gauge and swatching, see the gauge swatching guide.

Most of these tools solve a specific, narrow question rather than trying to be an all-in-one project planner — how much a specific skein weighs out to in yardage, whether a stash of partial skeins is enough to finish a project, or what a project will cost once yarn and time are both counted. Bookmark this page as a starting point if you're not sure which specific calculator you need for a given yarn question.

All 15 tools in this category