Pattern Layout Calculator
Estimate how many fabric rows are required from pattern width and fabric width.
Calculator
Result
Calculated from the values entered.
How to use this calculator
What to enter
Enter or select the following as requested: Maximum pattern piece width; Total piece length; Usable fabric width; Minimum cutting gap; 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.