Quarter Inch Yardage Calculator: a free Claude skill

A small skill that works out backing, binding and batting for any quilt, plus strips and yards for a set of cut pieces.

• Backing pieced the cheaper way
• Binding strips and yardage
• Math shown, rounded up

Made by Quarter Inch, part of What If Labs.

Install it

1. Download quarter-inch-yardage.zip (don’t unzip it).
2. In Claude on the web or desktop, open Customize, then Skills, click +, choose Upload a skill and pick the ZIP.
3. Make sure code execution is on in Settings, Capabilities. It works on any Claude plan, including the free one.
4. Ask Claude something in plain words. It picks the skill up on its own.

Using Claude Code instead? Copy this folder into ~/.claude/skills/.

Try a free tool first

No Claude needed: the Quilt Backing, Binding and Batting Calculator runs in your browser and shows its working.

Want the whole thing?

The Quarter Inch Quilt Planner is $15, one time, with a 14-day refund. Size, cut, piece and finish with the math done.

• Quilt sizes for any bed or gift
• Block math for every common unit
• Full cutting charts
• Yardage, backing, binding and batting
• Pattern resizing
• Color and value planning
• Updates for a year

License

MIT. Use it, change it, share it. Please keep the credit to Quarter Inch.