Quilt Size Calculator

Calculate quilt dimensions, block counts, and fabric requirements. Plan your quilt project with accurate measurements.

How to Calculate Quilt Dimensions

  1. 1 Select a standard bed size or enter custom quilt dimensions
  2. 2 Set your finished block size and optional sashing width
  3. 3 Enter border width and seam allowance preferences
  4. 4 View the calculated layout showing blocks wide and blocks long
  5. 5 Review fabric requirements for blocks, sashing, borders, binding, and backing

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Last updated: January 15, 2026 · v2.1