Category · Fashion & Sewing · Tool 05
Fabric Waste Calculator
Calculate fabric waste from purchased and actually used fabric.
Fashion & SewingFree calculatorGlobal units
Calculator
Method: Waste = purchased quantity − used quantity; waste % = waste ÷ purchased × 100.
Result
Calculated from the values entered.
Use the result as a planning estimate. For garment-specific fitting, pattern instructions and manufacturer size charts should take precedence.
How to use this calculator
What to enter
Enter or select the following as requested: Purchased fabric; Fabric used; 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.