Measure from the outer edge of the buttonhole to the center of the collar button. Keep the collar spread flat.
The sleeve measurement of your body should match the sleeve measurement of a well-fitting shirt. To cross-check, first measure the sleeve of a shirt that fits you perfectly. Measure from the tip of the shoulder seam down to the end of the cuff. Use the same starting point on your shoulder when taking your body measurements to ensure accuracy.
Measure straight across the shoulders, from the tip of one shoulder to the tip of the other.
Measure across the width of the chest at the fullest part. Place the measuring tape tucked under the armpits and lying flat.
Measure across the narrowest part of the waist. Do not stretch the measuring tape or let it loose. Do not suck in your stomach while giving measurements.
Measure across the fullest part of the hips, keeping your body straight. Do not stretch the measuring tape or let it loose.
Measure from the highest point of the shoulder just below the collar point, along the front of the body to the required point for length. Stand with a straight posture. This measurement is generally longer than the arm length.
