Quilt Binding Calculator
Find binding length for a quilt.
Estimate the binding strip length to finish a quilt.
How the Math Works
The Quilt Binding Calculator uses the formula binding = 2(W+L) + 10, where W is the quilt's width and L is its length. This formula calculates the total binding length by first determining the perimeter of the quilt (2*(width + length)), then adding 10 inches for seam allowances and potential errors. The multiplication by 2 accounts for binding going around all four sides, while the extra 10 inches ensures sufficient material for secure stitching and corner adjustments.
Practical Applications
To use this calculator, measure your quilt's width and length in inches and input those values into the formula. Multiply the sum of width and length by 2, then add 10 inches to the result. For example, a 60-inch wide by 80-inch long quilt requires 2*(60+80) + 10 = 300 inches of binding. Convert inches to yards by dividing by 36 (since fabric is sold by the yard), so 300 inches equals approximately 8.33 yards needed for binding.
Day-to-Day Use
This calculation prevents common quilting frustrations like running out of binding fabric mid-project or having excessive leftovers. By precisely determining material needs, quilters save money on fabric purchases and reduce waste. It also streamlines the planning phase, allowing crafters to estimate project timelines and resource requirements more accurately, making quilting accessible for both beginners and experienced makers.
Worked example
60×80 in quilt → 290 in (~8 yd).
FAQ
Bias vs straight?
Bias binding stretches more for curved edges.