Useful quilting calculators designed to help you buy the right amount of fabric, plan accurately, and spend more time quilting instead of second-guessing the math.
Each tool gives you the math plus a practical recommendation you can actually use when planning and purchasing for your project.
Not sure? Start with the tool closest to your current decision. Each page explains what to gather, what the result means, and what to check before buying or cutting.
Calculate backing yardage for standard-width fabric or wide backs, including directional prints, rotated layouts, quilting allowance, and close-fit warnings.
Start with your trimmed panel size, add up to four borders, and see the finished quilt-top size plus fabric needed for each border.
Measure a test swatch before and after laundering, then estimate how much a larger cut of the same fabric may change.
These tools are here to take the uncertainty out of the numbers. Once you know exactly what your project needs, you can choose the fabric that makes you excited to start cutting.
We’re building a practical set of calculators you can return to whenever you plan a quilt.
Recommendations round to fabric quantities quilters can actually purchase.
Directional prints, wide backs, WOF strips, and mitered borders are built into the tools.
Warnings call attention to close fits and other situations worth checking before you cut or buy.
Once you know what you need, browse premium quilting fabrics, batiks, panels, fat quarters, kits, and more from Let’s Make It!
BACKING PLANNER
Estimate how much backing fabric you need for standard-width quilting cotton or wide-back fabric. Add your quilting allowance, choose the fabric width, and we’ll round the purchase recommendation up to the next quarter yard.
Planning note: This estimate assumes straight seams and a usable fabric width. Compare the result with your pattern and your quilter’s requirements, especially for matched or large-scale prints.
THE COMPLETE FREE TOOLBOX
Enter measurements in inches. Fabric recommendations round up to the next purchasable quarter yard, so the result matches how fabric is sold in the shop.
HOW THE TOOLBOX WORKS
Each calculator answers one planning question. Start with finished measurements, review the assumptions shown with the tool, and compare the recommendation with your pattern before purchasing.
Use the finished quilt-top, trimmed panel, block, or washed test-swatch dimensions requested by the tool.
Enter usable fabric width, quilting allowance, strip width, borders, or the number of project units.
Use the rounded purchase recommendation, then read the cutting notes, seam count, fit warning, and next step.
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