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Women's Swimwear Size Guide

Find your perfect size

Swimsuit

Inches

CM

UK Dress Size Bust Waist Hip Speedo Size
4 26-28" 20" 30" 26 -
6 28-30" 22" 32" 28 XXS
8 30-32" 24" 34" 30 XS
10 32-34" 26" 36" 32 S
12 34-36" 28" 38" 34 M
14 36-38" 30" 40" 36 L
16 38-40" 32" 42" 38 XL
18 40-42" 34" 44" 40 -
20 42-44" 36" 46" 42 -
22 44-46" 38" 48" 44 -
24 46-48" 40" 50" 46 -
4 66-71cm 52cm 77cm 26 -
6 71-76cm 57cm 82cm 28 XXS
8 76-81cm 62cm 87cm 30 XS
10 81-86cm 67cm 92cm 32 S
12 86-91cm 72cm 97cm 34 M
14 91-96cm 77cm 102cm 36 L
16 96-101cm 82cm 107cm 38 XL
18 101-106cm 87cm 112cm 40 -
20 106-111cm 92cm 117cm 42 -
22 111-116cm 97cm 122cm 44 -
24 116-121cm 102cm 127cm 46 -
Speedo swimsuits are designed to have a close fit to your body to help you have the best swim. If you would like a looser fit you can go up a size.

How to measure yourself

  • Bust
    Measure over the fullest part of your bust.
  • Waist
    Measure around your nave (band to the side to find the dent, this is where your waist is)
  • Hips
    Measure around the widest point of the hips and bum.
Woman size guide