A well-fitting suit is essential for professional appearance and confidence. Suit sizing involves multiple measurements and varies between countries and brands. This guide helps you find your perfect suit size.
Chest: Measure around the fullest part of your chest, under the arms. This is the primary suit jacket size determinant.
Shoulder Width: Measure from the edge of one shoulder to the other across the back. Critical for jacket fit - shoulders are the hardest part to alter.
Sleeve Length: Measure from the shoulder seam to the wrist bone. Proper sleeve length shows 1/4 to 1/2 inch of shirt cuff.
Waist: Measure around your natural waistline for trousers. Suit trousers typically sit at the natural waist, not the hips.
Inseam: Measure from the crotch to the desired pant length. Suit trousers should have a slight break at the shoe.
US Sizing: Jacket sizes are based on chest measurement in inches (38, 40, 42...). Trousers use waist/inseam (32x32).
EU Sizing: Jacket sizes are chest measurement in cm divided by 2 (EU 50 = US 40). EU sizes are approximately US size + 10.
UK Sizing: Similar to US but uses different numbering for some sizes. UK jacket sizes are generally the same as US.
Slim Fit: Closer to the body with narrower shoulders and tapered waist. Best for athletic or slim builds.
Classic/Regular Fit: Traditional cut with more room in the chest and waist. Comfortable for most body types.
Modern Fit: Between slim and classic. Slightly tapered but not restrictive. The most popular contemporary fit.
For your first suit, get professionally measured. Once you know your exact measurements and preferred brand's sizing, online purchasing becomes reliable.
Basic alterations (hemming pants, taking in waist) cost $20-$50. More complex alterations (adjusting shoulders, restructuring jacket) cost $75-$150. Budget for tailoring when buying a suit.