Backing
Plan backing yardage, compare fabric widths and seam layouts, and check fabric fit or measured shrinkage.
6 calculators
Quilt backing yardage Plan standard-width backing from explicitly labeled quilt dimensions, overhang, and usable fabric width. Output: Panel count, cut dimensions, recorded nominal and usable widths, theoretical yardage, separate prewash purchase reserve, quantity including reserve, and recommended purchase quantity. Measured backing shrinkage adjustment Convert measured wash-test changes into a prewash backing size without assuming a universal fabric rate. Output: Measured length and width shrinkage, approximate adjusted prewash backing dimensions and explicit missing-axis status. No yardage or future-wash prediction. Wide-back fit check Check whether a wide-back fabric can cover the backing in one piece. Output: One-piece fit within the allowed orientation, selected orientation, required cut length, and purchase quantity. Existing backing fabric fit Check one usable fabric rectangle against a required backing size and an explicit cutting method. Output: Fit for checked plans, panel cut list, stock length needed, dimensional shortfalls, and remaining full-width length when a plan fits. Compare backing seam layouts Compare vertical and horizontal panel layouts using usable width and seam allowance. Output: Panel counts, seam counts, theoretical yardage by layout, and the lowest-yardage allowed orientation. Compare backing fabric widths Compare theoretical backing yardage across multiple usable fabric widths. Output: Panel count, seam count, theoretical yardage, and optional recommended purchase quantity for each usable width, plus the lowest-yardage option.
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