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Suit Size Estimator
Estimate your suit jacket size, drop, and length from simple body measurements.
Measure around the fullest part of your chest under your arms, keeping the tape level.
Measure around your natural waist at the narrowest point, usually at or near the navel.
Your height in inches. For reference, 5'10" = 70 inches.
Your general body type helps determine the best suit silhouette.
About This Tool
Buying a men's suit without knowing your size is an expensive mistake. Suit sizing revolves around chest measurement, the drop between chest and waist, and height - not S/M/L labels. This suit size estimator translates your measurements into a specific jacket size, length, and fit recommendation. Pair it with our Dress Shirt Size Calculator for the complete formalwear package.
How to Use
Measure your chest at the widest point, waist at the narrowest, and height in inches. Select your build type. The calculator recommends jacket size with length code (e.g. 42R), suit drop, trouser size, and detailed fit advice. Use our Belt Size Finder and Shoe Size Converter to complete your formalwear sizing.
FAQ
What is the difference between off-the-rack and tailored suits?
Off-the-rack suits come in standard sizes. Made-to-measure adjusts a pattern to your body ($400-800). Bespoke is built from scratch ($2000+). For most men, the best value is buying OTR in the right size and paying $75-150 for alterations. Our Dress Shirt Size Calculator helps you size the shirt underneath.
What is suit drop and why does it matter?
Suit drop is the difference between chest and waist measurements. A drop of 6 is "regular" - what most OTR suits are built around. A drop of 7+ means included trousers will be too big at the waist; 4 or less means too tight. Knowing your drop tells you whether standard suits fit or if you need separates. Our Color Season Analyzer helps you pick the most flattering suit color.
What should I know before buying my first suit?
Start with navy or charcoal in a solid color. Two-button, single-breasted is most versatile. Prioritize fit over brand: a well-fitting $400 suit beats a poorly fitting $2000 one. Budget for tailoring ($75-150) to adjust the waist, sleeves, and trouser hem. Wool or wool-blend fabrics drape best year-round. Our Outfit Builder can help you plan suit-based looks for events.
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