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How to Measure Your Neck

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

Step-by-step guide showing how to measure neck circumference correctly for dress shirts and suits - measuring tape positioned at base of neck where collar sits

Step-by-Step Instructions

1

Stand straight with shoulders relaxed and head facing forward

2

Wrap the measuring tape around the base of your neck where your collar would naturally sit

3

The tape should rest on your collarbone in front and the base of your neck in back

4

Keep the tape snug but not tight - you should be able to slip 1-2 fingers between the tape and your neck

5

Read the measurement where the tape meets, keeping the tape level all around

6

Round up to the nearest half inch (1.3 cm) for dress shirt sizing

Common Mistakes to Avoid

  • Measuring too high up the neck instead of at the base
  • Pulling the tape too tight, resulting in an uncomfortable collar
  • Not keeping the tape level, causing uneven measurement
  • Measuring over a shirt collar instead of directly on skin

Professional Tailor Tips

  • For dress shirts, add 1-2 fingers of space for comfort - this is your "comfort allowance"
  • If between sizes, always size up for dress shirts
  • Measure in the morning when your neck is at its normal size
  • Take the measurement 3 times and use the average for accuracy

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