Quilt Calculator

Your details

The finished width of your quilt top (the shorter side).
in
The finished length of your quilt top (the longer side).
in
Width of fabric on the bolt. Standard quilting cotton is 42-44 in. Wide-back cotton is 108 in. Minky is typically 58-60 in.
in
Extra inches/cm added to each side of the backing. 4 in (10 cm) per side is the standard recommendation to allow for shifting during quilting.
in
Width of the binding strip cut from fabric. 2.5 in (6.4 cm) is standard for a double-fold binding sewn at 1/4 in seam.
in
Finished size of one square block. Used to estimate how many blocks and how much fabric your quilt top needs.
in
Seam allowance added to each side of each block when cutting. Standard quilting uses 1/4 in on each side.
How many different fabrics make up the quilt top. Yardage per color is divided evenly across colors.
Backing fabric
5 yd

Total yardage (or metres) of backing fabric to buy, rounded to nearest 1/8 yd.

Binding fabric1/2 yd
Batting size needed66.0 x 86.0 in
Top fabric total4 1/4 yd
Top fabric per color2 1/8 yd
Blocks in quilt top35
Backing seams needed1
Binding strips to cut7
Blocks in top35
Backing seams1
Binding strips7

You need 5 yd of backing fabric for this quilt.

  • You will need 1 seam to join the backing panels. Press seams open or to one side for a flatter finish.
  • Cut 7 binding strips across the width of your binding fabric, then sew them end-to-end.
  • Your quilt top uses 35 blocks. Buy 2 1/8 yd of each fabric color and cut evenly.

Next stepPre-wash all fabrics before cutting to account for shrinkage. Most quilting cotton shrinks 2-3% in the first wash.

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