Interactive calculator
Blanket yarn calculator
Estimate blanket yarn from a representative swatch made with the same yarn, stitch pattern, and tension.
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Results update automatically and stay on your device.
Representative swatch
Blanket and yarn label
Use the same yarn, stitch pattern, tension, and finishing method in the swatch. Borders, motifs, color changes, and stitch-density changes need separate allowance.
PROJECT RECORD
Save the estimate and compare it with actual use
Current estimate: 2,576 yd / 12 skeins
This optional record stays in this browser. It is a project note—not inventory, accounting, pricing, or tax software. Browser storage can be cleared and is not a backup.
Formula
Estimated yarn = swatch yarn × blanket area ÷ swatch area. The selected buffer is added before dividing by label yardage and rounding up to whole skeins.
Source notes
Last reviewed September 13, 2026
- Yarnspirations: How to Measure Knit Gauge Why a representative swatch should use the same yarn and stitch pattern as the finished project.
- Craft Yarn Council: Standard Yarn Weight System Yarn weight categories, common names, gauge ranges, and tool ranges.