While quilt designers don't adhere to standard quilt sizes when designing bed quilt patterns (there's help for that further down on this page), bedding manufacturers tend to be a bit more consistent and do follow some general guidelines.
Our chart below shows the standard mattress, bedding and quilt sizes generally used in the United States.
Measurements are approximate; there are slight variations between manufacturers.
Pre-cut, packaged quilt batting sizes are also listed for your convenience.
After deciding which quilt size best fits your bed, add approximately 6"-8" to both width and length measurements to determine the batting and backing sizes that you'll need to finish your own quilts.
Quilts that are intended to be long arm quilted also need additional batting and backing.
Check with your longarm quilter for her specific requirements.
They are probably different than what you'd use if you quilted it on your home sewing machine. Remember that on a long arm machine, the layers are rolled together instead of pinned.
If you would like to print out the chart below, click here.
For sizes tailored to your specific mattress, add the numbers for width and length (last 2 rows in pale yellow) to the width and length of your own mattress.
Pre-cut, packaged battings come in standard sizes:
This batting information is also included in the downloadable chart.
While manufacturers use standard quilt sizes for production, we all know that the quilt size you NEED depends on the mattress, bed frame and the "look" you desire for the bed to be covered.
To learn more, read "Estimate the Quilt Sizes Needed for YOUR Bed", to help you figure out the right size for the bed you plan to cover.
I've also prepared a worksheet, a "cheat sheet" if you will, for estimating and recording this information.
Right-click to download my FREE Worksheet for Calculating Bed Quilt Sizes (print as many as you like!). It leads you step-by-step through the measurements and simple calculations you'll need to customize your quilt for your needs.
Determining the quilt's size is only the first step in customizing a quilt pattern to your needs.
It's helpful to work through examples and there are a few on this site already. Click the links below to see them:
Other examples will be listed here and also on the individual design pages. An index of those pages can be found at Quilt Design 101.
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