Free Quilt Block Calculator
Calculate quilt block cutting sizes with visual diagrams, inch fractions, and printable instructions.
What This Tool Does
This tool helps quilters calculate fabric cutting sizes for quilt blocks without doing the math by hand. Enter your desired finished block size, seam allowance, and number of blocks. The calculator gives you a cutting list, visual diagram, and printable instructions.
Why It Is Different
Visual Diagrams
See a clear diagram of your quilt block with labeled pieces
Inch Fractions
Results show quilting-friendly measurements like 4 7/8"
Reverse Calculation
Start with fabric you already have and see what you can make
Print Friendly
Get a clean cutting sheet you can take to your sewing table
Mobile Friendly
Use it on your phone or tablet in the sewing room
Beginner Friendly
No need to understand geometry or quilting math
Coming Soon
Economy Block Calculator
Calculate sizes for economy quilt blocks
On Point Quilt Calculator
Calculate sizes for on-point quilt layouts
Half Square Triangle Calculator
Calculate half square triangle cutting sizes
Flying Geese Calculator
Calculate flying geese cutting sizes
Quilt Size Calculator
Calculate quilt dimensions and yardage
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