Quilt Math – Charts and Guides for Quilters

Quilt Math

So much math involved in quilting – so very much. As a pattern designer – “Quilt Math” is an all-day, everyday thing for me. To make it a bit easier, I’ve developed some tools that I use so I don’t have to figure it out all over again – every time I want to make a new quilt or write a pattern.

The links below include some of the tools I use – I’ll add more as I get time to make them “pretty”. Each one is printable – just click on the image and a new window will open so you can print the chart or guide.

Calculate the number of squares you can cut from your fabric – based on the size square you need to cut.
This handy chart provides the yard, inch, and decimal equivalents for calculating fabric measurements.
Quilt Math - Half Square Triangles
Making Half Square Triangles? This chart tells you what size to cut the fabric to get the correct size HST.
Quilt Math - Enlarging and Reducing Block Size
Changing Quilt Block Size. This chart provides the percentage you will need to enlarge or reduce your original block to create your block in a new size.
Quilt Math - How Many Strips
Cutting 2-1/2 Inch Strips from various yardage increments.
Calculating Quilt Backing
This chart lists how many yards of fabric are needed – and how to arrange it – based on the size of your quilt top.

Print out a copy of the charts and guides you need and keep them handy. If you ever need them and can’t find them – they’ll be right here.

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