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Quilt Backing Yardage Calculator





Formula

The formula to calculate the total yardage needed for a quilt backing is:

Y=(W+4)×(H+4)36

Where:

What is a Quilt Backing?

A quilt backing is the bottom layer of a quilt sandwich, a three-layer packet made up of the quilt top, the batting, and the backing. The backing is typically a large piece of fabric that is used to cover the back of the quilt. It can be a single, unpieced piece of fabric, but it’s also possible to piece together smaller cuts of fabric to create a larger backing. The backing is usually made from a soft, durable material that can withstand repeated use and washing. It’s often a solid color or a simple print so as not to distract from the quilt top, but it can also be a more complex design or even a second quilt top. The backing is attached to the other layers of the quilt sandwich through a process called quilting, where the three layers are sewn together in a decorative pattern.

Example Calculation

Let's assume the following values:

Step 1: Add 4 inches to both width and height:

W+4=50+4=54 inches

H+4=70+4=74 inches

Step 2: Multiply the adjusted width and height:

54×74=3996 square inches

Step 3: Divide by 36 to convert to yards:

Y=399636=111 yards

The total yardage needed is 111 yards.