At a Glance

  • Sizing of bikini tops generally follows the same system observed in bra sizes. Bikini bottom sizes, on the other hand, are typically labeled the same as standard or classic clothing sizes.
  • To determine your correct bikini size, you need to (1) take accurate measurements of your chest (bust and underbust), waist, and hip circumferences, and (2) calculate your bra size.
  • For the bra size, you need to take measurements of your (1) bust and (2) underbust circumferences. Your underbust is necessary to determine the band size of your bra. A bikini’s cup size is the difference between the underbust circumference and the bust circumference.

We have tried to provide you a simplified measurement guide for bikinis, including size tables and converters for all common international sizes.

Size Guides

Bikini Top Size Chart

Sizing of bikini tops generally follows the same system observed in bra sizes. Size labels are made up of a combination of numbers and letters which corresponds to a particular cup size and underbust measurement, respectively. For example, you’re probably familiar with bra sizes like 32B and 36C. 

Keep in mind that the below table are approximations so the fit may still vary.

UK US EU AU
32A 32A 70A 32A
32B 32B 70B 32B
32C 32C 70C 32C
32D 32D 70D 32D
32DD/E 32DD 70E 32DD
32DDD/F 32E 70F 32E
32G 32F 70G 32F
34A 34A 75A 34A
34B 34B 75B 34B
34C 34C 75C 34C
34D 34D 75D 34D
34DD/E 34DD 75E 34DD
34DDD/F 34E 75F 34E
34G 34F 75G 34F
36A 36A 80A 36A
36B 36B 80B 36B
36C 36C 80C 36C
36D 36D 80D 36D
36DD/E 36DD 80E 36DD
36DDD/F 36E 80F 36E
36G 36F 80G 36F
38A 38A 85A 38A
38B 38B 85B 38B
38C 38C 85C 38C
38D 38D 85D 38D
38DD/E 38DD 85E 38DD
38DDD/F 38E 85F 38E
38G 38F 85G 38F
Bikini Size Chart

Bikini Bottom sizes are typically labeled the same as standard or classic clothing sizes. Sizes are usually numerical and are based on the measurement of waist and/or hip circumferences. For example, a size 4 or 6 is usually for petite women while sizes 18 and 20 are for those with a curvier built. However, our swimwear brands use the best-known international sizing system (e.g., Small, Medium, Large, etc.) to classify bikini bottom sizes.

Keep in mind that the below table are approximations so the fit may still vary.

 Size                          Bust                             Waist                  Recommended
  Inches CM Inches CM Height Weight
XS 29.92 76 25.20 64 140 – 150cm around 35kg
S 31.50 80 26.77 68 150 – 155cm 45 – 50kg
M 33.07 84 28.34 72 155 – 160cm 50 – 55kg
L 34.65 88 29.92 76 160 – 165cm 55 – 60kg
XL 36.22 92 31.49 80 165 – 170cm 60 – 65kg
2XL 37.80 96 33.07 84 170 – 175cm 65 – 70kg
3XL 39.37 100  34.64 88 175 – 180cm 70 – 85kg
International Sizes Conversion Table

You can convert US Bikini sizes to UK, EU, and other foreign sizes with the table below.

US 0 2 4 6 8 10 12 14 16 18 20 22
UK 4 6 8 10 12 14 16 18 20 22 24 26
EU 32 34 36 38 40 42 44 46 48 50 52 54
AU 4 6 8 10 12 14 16 18 20 22 24 26
Footwear Size Chart

Keep in mind that the below table are approximations so the fit may still vary.

US Size UK Size EU Size AU Size Foot Length (mm)
4 2 35 4 212
5 3 36 5 220
6 4 37 6 229
7 5 38 7 237
8 6 39 8 246
9 7 40 9 254
10 8 41 10 262
11 9 42 11 270