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Free suit size calculator: enter chest, waist, height, sleeve, neck, and inseam to get jacket (e.g. 40R), pant, and shirt sizes with drop, EU estimate, and fit notes — a starting point for shopping and tailoring.
Last updated: May 25, 2026
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Fullest part of chest, under arms
Fit style
Classic fit — traditional room
Jacket = round_even(chest 40.0″) 40 + fit (0) → 40R; Pants = 34×32; Shirt = 16/34; Drop = 6"
Jacket
40R
EU ~50
Pants
34 × 32
Shirt
16/34
Drop
6"
Standard (6″ drop)
Brand guide
Classic American block; check Madison vs Fitzgerald lines
Often runs slim — try one size up if between sizes
Slim-leaning Ludlow vs roomier Crosby
Rough US+10 EU jacket (e.g. 40R → EU 50)
Recommendations
Likely alterations
40R
Regular (5′8″–6′0″)
34 × 32
16/34
6″
Standard (6″ drop)
Jacket # = round_to_even(chest inches) + fit adjustment (−2 slim / 0 classic / +2 relaxed)
Length = S / R / L / XL from height
Pants = round(waist) × round(inseam)
Shirt = round_neck_½″ / round(sleeve)
Drop ≈ jacket # − pant waist
Jacket = round_even(chest 40.0″) 40 + fit (0) → 40R; Pants = 34×32; Shirt = 16/34; Drop = 6"
| Code | Height (imperial) | Use when |
|---|---|---|
| S | Short (under 5′8″) | Under 68.99″ |
| R | Regular (5′8″–6′0″) | 68″–71.99″ |
| L | Long (6′0″–6′3″) | 72″–74.99″ |
| XL | Extra long (6′3″+) | 75″–∞ |
40R · 34 × 32 · shirt 16/34
Drop 6″ · Standard (6″ drop)
Jacket 40R · Pants 34 × 32 · Shirt 16/34 · EU ~50 · Standard (6″ drop)
38R · 34 × 32 · shirt 16/34
Drop 4″ · Portly / comfort (small drop)
Jacket 38R · Pants 34 × 32 · Shirt 16/34 · EU ~48 · Portly / comfort (small drop)
44L · 34 × 32 · shirt 16.5/35
Drop 10″ · Athletic (large drop)
Jacket 44L · Pants 34 × 32 · Shirt 16.5/35 · EU ~54 · Athletic (large drop)
36L · 32 × 34 · shirt 15.5/35
Drop 4″ · Portly / comfort (small drop)
Jacket 36L · Pants 32 × 34 · Shirt 15.5/35 · EU ~46 · Portly / comfort (small drop)
38S · 32 × 30 · shirt 15.5/32
Drop 6″ · Standard (6″ drop)
Jacket 38S · Pants 32 × 30 · Shirt 15.5/32 · EU ~48 · Standard (6″ drop)
44R · 40 × 30 · shirt 17/33
Drop 4″ · Portly / comfort (small drop)
Jacket 44R · Pants 40 × 30 · Shirt 17/33 · EU ~54 · Portly / comfort (small drop)
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