Neck Size to Shirt Size Calculator
Convert neck circumference to collar and shirt sizing with fit allowances, tie compatibility logic, and virtual collar visualization.
Recommended Collar
15.5 in
Best fit range: 15.5 - 16.0 in
Alpha Size
M
EU Collar
39 cm
Comfort
Comfortable
Sleeve Suggestion
34/35
Collar prediction: Comfortable
Occasional tie wear works best with regular fit tolerance.
Confidence score: 90%