Category · Fashion & Sewing · Tool 25
Shirt Size Calculator
Estimate shirt size from chest and neck measurements.
Fashion & SewingFree calculatorGlobal units
Calculator
Method: Uses chest-based reference bands; actual shirt sizing varies by brand and fit.
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: Chest circumference; Neck circumference; 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.