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How to Make Binding for Quilts

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Method #2, Continuous Bias Quilt Binding
You can make bias binding for quilts by sewing bias-cut strips together end to end -- the same technique used for crosswise grain quilt binding. However, some quilters prefer to cut their long bias binding strip away from a tube of fabric in one continuous motion. It's easy to do that by assembling a tube from a large square of the binding fabric.

Calculate how much binding a square of fabric will produce:

  • length = area of square divided by width of binding strip

    Example:

    1. For a 20" square, area = 20" x 20" = 400" square inches

    2. Divide 400" by the binding strip width -- let's say 2-1/2"

    3. The result is 160 inches of binding

    Calculate how large the square must be to produce the needed quilt binding:

    1. Multiply the length of the strip needed by its width to find its area.

    2. Determine the square root of the area to estimate the square size needed.

    Example:

    1. Binding strip must be 2" wide by about 250" long
    2. 2" x 250" = 500" square
    3. square root of 500 = 22.36

  • Round the figure up and cut a 23" fabric square

The continuous binding method works best with larger pieces of fabric, because using small squares produces binding with many bulky seam allowances along its length.

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