Quilt Backing Calculator

Enter your quilt dimensions and choose your preferred units below. You can also specify overlap and fabric details, or leave them blank to use default values.

Measurement Tips: Measure your quilt top accurately, and consider overlap for quilting. If overlap or fabric width are left blank, defaults of 4 inches overlap and 42 inches fabric width will be used.

Quilt backing is an essential component of any quilt, providing the underside layer that completes the quilt sandwich. Choosing the right backing fabric not only enhances the overall appearance but also contributes to the durability and comfort of the finished quilt. In this article, we’ll explore various aspects of quilt backing, from selecting suitable fabrics to techniques for piecing and finishing.

Selecting the Right Fabric

The backing fabric should complement the quilt top in both color and texture. While 100% cotton is the most common choice due to its ease of handling and compatibility with cotton quilt tops, other fabrics like flannel, voile, or even minky can be used for added softness and warmth.

  • Cotton: Ideal for most quilts, offers durability and easy maintenance.
  • Flannel: Provides extra warmth, perfect for cozy quilts.
  • Voile: Lightweight and silky, suitable for a soft drape.
  • Minky: Ultra-soft and plush, great for baby quilts but can be tricky to work with.

Calculating Fabric Requirements

Accurate measurements are crucial when calculating the amount of backing fabric needed. Consider the quilt top dimensions and add extra inches for overlap and quilting adjustments. Using our quilt backing calculator simplifies this process by accounting for these factors and providing precise fabric requirements.

Piecing the Backing

For larger quilts, you’ll often need to piece together multiple fabric panels to create a backing that’s wide enough. There are several techniques for piecing backing fabric:

  1. Vertical Seams: Sew fabric panels together along the selvage edges. This is the most common method and works well for most quilts.
  2. Horizontal Seams: Less common but can be useful for certain quilt dimensions or fabric patterns.
  3. Creative Piecing: Incorporate leftover blocks or strips from the quilt top to create a unique and reversible quilt backing.

Preparing the Backing Fabric

Before assembling the backing, it’s advisable to pre-wash the fabric to prevent any shrinkage after quilting. Press the fabric to remove wrinkles and ensure accurate seaming.

Quilting Considerations

The backing fabric plays a role in the quilting process:

  • Thread Color: Choose a bobbin thread that matches or complements the backing fabric.
  • Quilting Design Visibility: Quilting patterns will be visible on the backing; select a fabric that showcases the stitching if desired.
  • Basting: Ensure the backing is smooth and taut when layering to prevent puckering.

Finishing Touches

After quilting, trim the excess backing and batting to match the quilt top edges. Bind the quilt using your preferred method, whether it’s machine binding or hand-finishing for a personal touch.

Tips for Success

Seam Direction: Press backing seams open to distribute bulk evenly and achieve a flatter finish.
Pattern Alignment: If using patterned fabric, take time to align designs across seams for a seamless appearance.
Extra Wide Fabric: Consider using extra-wide quilt backing fabrics (typically 108 inches wide) to eliminate the need for piecing on larger quilts.
Leftover Fabric: Save any leftover backing fabric for future projects or incorporate them into a scrappy binding.

Quilt backing calculator

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