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THE FEUTEX TOOLKIT

Quilt Binding Strip Planner

Calculate binding strips and fabric length with joins, corners and finishing allowance.

Sewing workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaBinding length = 2*(quilt_width+quilt_length)+extra; Strips = Math.ceil((2*(quilt_width+quilt_length)+extra)/(usable_width-join_loss)); Fabric length = Math.ceil((2*(quilt_width+quilt_length)+extra)/(usable_width-join_loss))*strip_width

Worked example

Inputs

Quilt width
150 cm
Quilt length
200 cm
Extra
30 cm
Usable width
105 cm
Join loss
6 cm
Strip width
6.5 cm

Expected results

Binding length
730 cm
Strips
8 strips
Fabric length
52 cm

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter the measured quantities and your own planning assumptions.
  2. Review all calculated outputs and the stated limitations.

Try this example

{
  "quilt_width": 150,
  "quilt_length": 200,
  "extra": 30,
  "usable_width": 105,
  "join_loss": 6,
  "strip_width": 6.5
}

Accuracy and scope

Planning estimate using the assumptions you enter; verify dimensions and real operating constraints before purchase or use.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.