Fabric Shrinkage Calculator
Calculate post-wash fabric dimensions and shrinkage percentage.
Calculator
Result
Calculated from the values entered.
How to use this calculator
What to enter
Enter or select the following as requested: Original length; After-wash length; Original width; After-wash width; Unit. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The sewing or garment result estimates a measurement, fabric quantity, pattern dimension, size conversion, or project cost from the values entered. Check the measurement method, fabric width, shrinkage, seam allowance, fit preference, and size-system convention used.
When to use it
Use this to plan garment construction, alterations, fabric purchases, or pattern scaling. Measure carefully and make a test or fitting sample where a small difference could affect the finished item.