Easily calculate fabric yardage for quilting and sewing projects. Estimate yardage needed, convert units, and plan your fabric cuts with precision.
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Fabric Yardage Calculator Specification
Overview
A comprehensive, browser-based utility designed for quilters and sewists to accurately calculate fabric requirements for diverse projects, reducing waste and planning errors.
Design System
- Color Palette: Soft sage (#D0E0C3), crisp off-white (#F7F7F7), slate gray (#4A4A4A), and focus accents in coral (#FF7F50).
- Layout: A single-page, responsive dashboard utilizing a grid system. Inputs are grouped into cards.
- Animations: Smooth transition effects when switching calculator modes (e.g., Backing vs. Binding) using CSS transitions.
Core Features
1. Quilt Backing Calculator
- Inputs: Quilt Width (in/cm), Quilt Length (in/cm), Fabric Width (usable width), Seam Allowance.
- Output: Total yardage required, number of fabric cuts needed, and layout orientation diagram.
2. Binding Length Calculator
- Inputs: Quilt Perimeter (total), Binding Strip Width, Seam Allowance.
- Output: Total linear inches/yards required, number of strips to cut, total width of fabric needed.
3. Custom Yardage/Conversion Tool
- Unit Converter: Seamless toggling between Inches, Centimeters, and Yards.
- Bolt Estimation: Input the number of squares/pieces required and the grid size to determine total yardage from a standard 42-44" bolt.
4. Project Export
- A "Printable Summary" feature that generates a clean, printer-friendly list of cutting instructions and totals.
Technical Requirements
- Frontend: Vanilla JavaScript (ES6+), HTML5, and CSS3.
- Responsiveness: Mobile-first design; inputs must be large enough for touchscreen interaction.
- Storage: Use
localStorageto save user preferences (e.g., preferred unit of measurement: inches or centimeters). - Accessibility: High contrast ratios, screen-reader friendly form labels, and clear input validation error messages.
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Frequently Asked Questions
Everything you need to know about using this application.
How do I calculate quilt backing yardage?
Input your quilt's width and length, along with the fabric's usable width, and the calculator will determine the total yardage needed including seam allowances.
Can I use this tool for garment sewing?
Yes, use the custom yardage calculator module by inputting the dimensions of your pattern pieces and the width of your fabric bolt.
How does the binding calculator work?
Enter the perimeter of your quilt and the desired binding strip width. The tool calculates the total length of fabric required and how many strips must be sewn together.
