Chest / Suit sizes are calculated as follows: Standard Size Code = ( Chest Circumference cm + 1) / 2 Chest / Suit sizes are calculated as follows: Standard Size Code (Normale) = ( Chest Circumference cm – 1) / 2 Short / Stocky (Kurz / Untersetzt) = Standard Size Code / 2 Portly (Bauchgrößen) = Standard Size Code + 1 Tall / Lean (Schlank / Lang) = (Standard Size Code - 1) * 2 Dress sizes are calculated as follows: Standard dress size = (Bust Circumference cm / 2) Dress sizes are calculated as follows: Standard dress size = (Bust Circumference cm / 2) - 4 Dress sizes are calculated as follows: size (Height 164–170 cm) = (Bust Circumference cm / 2 ) - 6 sizes (Height <164 cm) = Standard dress size / 2 sizes (Height >170 cm) = Standard dress size * 2 . korea4expats http://www.korea4expats.com/article-men%27s_clothing_size_conversion_chart.html. Soo qaatay 2012-06-15.