Learn the correct way to measure your neck circumference for dress shirts, formal shirts, and suit jackets. This measurement determines your collar size.

Stand straight with shoulders relaxed and head facing forward
Wrap the measuring tape around the base of your neck where your collar would naturally sit
The tape should rest on your collarbone in front and the base of your neck in back
Keep the tape snug but not tight - you should be able to slip 1-2 fingers between the tape and your neck
Read the measurement where the tape meets, keeping the tape level all around
Round up to the nearest half inch (1.3 cm) for dress shirt sizing
Submit your measurements to Nathan Tailors for perfectly fitted custom clothing