Plan with confidence
Use a dedicated knit and crochet calculator to estimate yarn needs before you cast on or buy more.
Calculate yarn, organize your stash, track projects, and keep patterns together.



Use a dedicated knit and crochet calculator to estimate yarn needs before you cast on or buy more.
Store yarn details in a format that stays practical: quantities, weight, length, colorway, and notes.
Connect yarn, pattern, tools, and progress so each project stays readable even weeks later.
From yarn estimates to stash, patterns, statistics, and progress tracking, YarnMath keeps the practical parts of knitting and crochet in one place.
Update yarn, pattern, gauge, tool, and photo details in one focused project workflow.

Keep references together instead of spreading them across folders, screenshots, and tabs.

See project and stash progress clearly, whether you are planning ahead or checking what is already in motion.

If you searched for a knitting calculator or found YarnMath from the stores, this page gives you the fastest path to the app and the essentials you need to trust the product.
YarnMath Studio helps knitters and crocheters calculate yarn needs, organize stash, keep project notes, and manage pattern files in one clean mobile workspace.