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THE FEUTEX TOOLKIT

Fabric Shrinkage Planner

Estimate required prewash fabric length to retain a target length after shrinkage.

Sewing workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaPrewash length = finished length ÷ (1 − shrinkage)

How to use this tool

  1. Enter the measurements and assumptions in the labeled fields.
  2. Run the calculation and check the units in the output.
  3. Copy or download the result.

Try this example

{"target": 2, "shrink": 5}

Accuracy and scope

Planning estimate using user-supplied inputs. Verify units and assumptions before 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.