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Classic Menswear Suit Size Guide

Find your perfect fit with our comprehensive UK sizing guide for classic menswear suits and dress shirts.

Suit Jacket Sizes

UK Size Chest (inches) Chest (cm) Waist (inches) Waist (cm)
34R 34 86 28 71
36R 36 91 30 76
38R 38 97 32 81
40R 40 102 34 86
42R 42 107 36 91
44R 44 112 38 97
46R 46 117 40 102
48R 48 122 42 107
50R 50 127 44 112
52R 52 132 46 117
54R 54 137 48 122
56R 56 142 50 127
58R 58 147 52 132
60R 60 152 54 137
62R 62 157 56 142

Trouser Sizes

UK Size Waist (inches) Waist (cm) Inside Leg (inches) Inside Leg (cm)
28 28 71 30-34 76-86
30 30 76 30-34 76-86
32 32 81 30-34 76-86
34 34 86 30-34 76-86
36 36 91 30-34 76-86
38 38 97 30-34 76-86
40 40 102 30-34 76-86
42 42 107 30-34 76-86
44 44 112 30-34 76-86
46 46 117 30-34 76-86
48 48 122 30-34 76-86
50 50 127 30-34 76-86
52 52 132 30-34 76-86
54 54 137 30-34 76-86
56 56 142 30-34 76-86

Dress Shirt Collar Sizes

UK Collar Size Neck (inches) Neck (cm) Chest (inches) Chest (cm)
12 12 30 30-32 76-81
12.5 12.5 32 32-34 81-86
13 13 33 32-34 81-86
13.5 13.5 34 34-36 86-91
14 14 36 34-36 86-91
14.5 14.5 37 36-38 91-97
15 15 38 38-40 97-102
15.5 15.5 39 40-42 102-107
16 16 41 42-44 107-112
16.5 16.5 42 44-46 112-117
17 17 43 46-48 117-122
17.5 17.5 44 48-50 122-127
18 18 46 50-52 127-132
18.5 18.5 47 52-54 132-137
19 19 48 54-56 137-142
19.5 19.5 50 56-58 142-147
20 20 51 58-60 147-152
20.5 20.5 52 60-62 152-157
21 21 53 62-64 157-163
21.5 21.5 55 64-66 163-168
22 22 56 66-68 168-173

Jacket Length Guide

Length Height Range Description
Short (S) 5'4" - 5'7" Shorter jacket length for petite builds
Regular (R) 5'8" - 6'0" Standard jacket length for average height
Long (L) 6'1" - 6'4" Longer jacket length for tall builds
Extra Long (XL) 6'5" and above Extended length for very tall builds

Measuring Tips

  • Measure over a shirt, not directly on skin
  • Keep the tape measure level and snug but not tight
  • For chest measurement, wrap around the fullest part
  • For waist, measure at your natural waistline
  • For neck measurement, measure around the base of your neck
  • Inside leg should be measured from crotch to ankle
  • Collar size should allow one finger between neck and collar
  • When in doubt, choose the larger size for comfort
  • Consider professional tailoring for the perfect fit