Your question: How do I calculate how much fabric I need for the back of a quilt?

How do I figure out how many yards of fabric I need for a quilt?

If your quilt is wider than 60″, you may use one or two vertical seams to piece the backing.

  1. Quilt top length x 2 + 12. Divide by 36″ to determine yardage.
  2. Example for a 70×84″ quilt top: 84″ x 2 = 168″. 168″ + 12 =180″. 180″ divided by 36″ = 5 yards.

How much bigger should the backing be than the quilt top?

Size of the back: must be at least 6″ wider on each side, top and bottom, than your quilt top. A total of 12″ larger than your quilt top. Trim the top and bottom edges of your backing so they are straight and square.

How many yards do I need for a king size quilt back?

108″ backing is great for king or queen sized quilt, but a touch overkill for baby blankets. Now everyone get their supplies: pencil, paper, calculator, your quilt top and something to measure it with (cutting mat or measuring tape), that half empty bottle of Advil or the rest of the wine.

How many yards do I need to back a queen size quilt?

A standard queen size quilt that is 88 inches wide and 96 inches long takes about 8 yards of fabric for the front of the quilt and another 8 yards of fabric for the back of the quilt, depending on the pattern and fabric you choose.

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