How do I calculate yarn for a project with multiple colors?

You can use the `calculate_multi_color_project_summary` tool. Simply provide a JSON array containing the details for each color segment, including dimensions and yarn weight.

What yarn weights are supported?

The tool supports lace, fingering, sport, dk, worsted, bulky, and super bulky. You can retrieve the exact consumption constants using `get_yarn_weight_catalog`.

Does it account for pattern repeats?

Yes. By providing stitch width and height multiples, the calculator adjusts your dimensions to the nearest valid pattern repeat.

Yarn Length Calculator MCP Connector for Claude

A+

Estimate yarn length for knitting and crochet projects.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

A precision estimator for knitters and crocheters. This MCP server allows you to calculate the exact amount of yarn required for any project by analyzing gauge, pattern multiples, and dimensions. Use calculate_single_segment_usage for individual pieces or calculate_multi_color_project_summary to aggregate multiple color segments into a single report. It supports all major yarn weight categories from lace to super bulky.

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