T-shirt size guide

Measured on the shirt, laid flat. Chest width is armpit to armpit. Length is from the top of the shoulder to the hem.

Easiest way to pick: lay a t-shirt that fits you well flat on a table and measure it the same way.

Inches

Size Chest width Length
Small 19.7 27.4
Medium 21.1 28.1
Large 21.7 28.9
Extra Large 23.2 29.5
2XL 24.4 29.9
3XL 25.8 30.7

Centimeters

Size Chest width Length
Small 50 69.5
Medium 53.5 71.5
Large 55 73.5
Extra Large 59 75
2XL 62 76
3XL 65.5 78