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Quilt batting size calculator

Start with your finished quilt size. We add room around the edges, then tell you the batting rectangle to look for and whether a common packaged size covers it.

What size is your quilt top?

Start with a common size
Across the quilt top
Top to bottom

We add 4″ of batting past every edge of the top.

Showing a 60″ × 80″ quilt. Put in yours.

Your batting answer

A Twin batting will do

packaged batting, 72″ × 90″

Check the size on the package before you buy.

Batting to cover
68″ × 88″
Overhang each side
4″
Use this for my quilt

Pick a quilt off the shelf and its plan works out every yard for you.

How we worked it out
  1. Your quilt plus 4″ of overhang on every side needs a batting piece of 68″ × 88″.
  2. A packaged Twin batting (72″ × 90″) covers that with room to spare.
  3. That's about 4⅝ square yards of batting by area. Exactly how much you buy depends on your batting's roll width.

Before you cut

  1. Use the finished quilt top measurement.
  2. The calculator adds 4 inches of batting beyond every edge.
  3. Compare the answer with the package label or your shop's roll width before buying.

Questions quilters ask

How much bigger should batting be than a quilt top?

This calculator adds 4 inches of overhang on every side, so the batting rectangle is 8 inches wider and 8 inches taller than the finished top.

What if no standard batting package fits?

For a larger quilt, look for batting sold from a wide roll or plan to piece batting according to the manufacturer's directions.

Take the batting numbers with you.

A one-page cheat sheet for every standard quilt size, worked out with the same math as this calculator.

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