Women’s Swimwear & Bikinis Sizing & Measurement Matrix

Comprehensive reference matrix mapping women’s bikini sets, one-piece swimsuits, monokinis, and cover-ups against bust, natural waist, and full hip girths, vertical torso loop lengths, cup support ranges, and stretch elasticity classifications.

Women’s Swimwear Standard Specifications

Detailed breakdown of standardized sizing labels, bust/waist/hip girths, vertical torso loop lengths, cup support ranges, style categories, and fit types for women’s swimwear.

United States	Europe	United Kingdom	Italy	France	Australia	Japan	South Korea	China	Brazil	Mexico	International	Bust Girth ( $\text{cm}$ )	Bust Girth ( $\text{in}$ )	Cup Support	Waist Girth ( $\text{cm}$ )	Waist Girth ( $\text{in}$ )	Hip Girth ( $\text{cm}$ )	Hip Girth ( $\text{in}$ )	Torso Loop ( $\text{cm}$ )	Torso Loop ( $\text{in}$ )	Swimwear Style / Cut	Fit Category
0–2 (XS)	32–34	4–6	36	34	4–6	5	75–80	155/80A	34	20–22	XXS/XS	78.7	31	A–B Cup	58.4	23	83.8	33	142.2	56	Bikinis, One-Pieces & Cover-Ups	Petite Slim Fit
4–6 (S)	36–38	8–10	38	36	8–10	7–9	85	160/84A	36–38	24–26	S	83.8	33	B–C Cup	63.5	25	88.9	35	147.3	58	Bikinis, One-Pieces & Monokinis	Small Classic Fit
8–10 (M)	40–42	12–14	42	40	12–14	11–13	90	165/88A	40–42	28–30	M	88.9	35	B–C/D Cup	68.6	27	94	37	152.4	60	Bikinis, One-Pieces & Swim Dresses	Regular Proportional Fit
12–14 (L)	44–46	16–18	46	44	16–18	15–17	95	170/92A	44–46	32–34	L	96.5	38	C–D/DD Cup	76.2	30	101.6	40	157.5	62	Bikinis, One-Pieces & Cover-Ups	Curved Comfort Fit
16–18 (XL)	48–50	20–22	50	48	20–22	19–21	100	175/96A	48–50	36–38	XL	104.1	41	D–DD/E Cup	83.8	33	109.2	43	162.6	64	One-Pieces, Swim Dresses & Tankinis	Full Contour Fit
18W–20W (2XL)	52–54	24–26	54	52	24–26	23–25	110	180/104A	52–54	40–42	2XL	114.3	45	DD–DDD/F Cup	94	37	119.4	47	167.6	66	Plus One-Pieces & Tankini Sets	Extended Plus Fit
22W–24W (3XL)	56–58	28–30	58	56	28–30	27–29	120	185/112A	56–58	44–46	3XL	124.5	49	DDD/F–G Cup	104.1	41	129.5	51	172.7	68	Plus Swim Dresses & Tankinis	Extended Plus Fit

* Sizing can vary significantly between international brands and regional manufacturers. Use this matrix as a baseline reference for standard proportional conversions.

Interpreting Women’s Swimwear & Bikini Dimensions

Standardizing women’s swimwear requires correlating regional size labels with precise anthropometric measurements, including bust circumference, natural waistline, full hip girth, vertical torso loop length (critical for one-piece suits), and integrated cup support ranges. Because swimwear fit relies on high-spandex elasticity and proportional length across global brands, sizing spans international standards including US, UK, EU, French, Italian, and Australian formats.

When utilizing this matrix for swimsuit selection or international size conversion, cross-reference your body measurements against the listed girth intervals and torso loop lengths to ensure comfortable tension and freedom of movement during aquatic activities.

Indexed Sizing Tiers & Dimensions

0–2 (XS)Size

Bust: 78.7 cm (31″), Cup: A–B Cup, Waist: 58.4 cm (23″), Hip: 83.8 cm (33″), Torso Loop: 142.2 cm (56″), Style: Bikinis, One-Pieces & Cover-Ups mapping for US size 0–2 (XS)

Symbol: 0–2 (XS)Base Value: 78.7

4–6 (S)Size

Bust: 83.8 cm (33″), Cup: B–C Cup, Waist: 63.5 cm (25″), Hip: 88.9 cm (35″), Torso Loop: 147.3 cm (58″), Style: Bikinis, One-Pieces & Monokinis mapping for US size 4–6 (S)

Symbol: 4–6 (S)Base Value: 83.8

8–10 (M)Size

Bust: 88.9 cm (35″), Cup: B–C/D Cup, Waist: 68.6 cm (27″), Hip: 94 cm (37″), Torso Loop: 152.4 cm (60″), Style: Bikinis, One-Pieces & Swim Dresses mapping for US size 8–10 (M)

Symbol: 8–10 (M)Base Value: 88.9

12–14 (L)Size

Bust: 96.5 cm (38″), Cup: C–D/DD Cup, Waist: 76.2 cm (30″), Hip: 101.6 cm (40″), Torso Loop: 157.5 cm (62″), Style: Bikinis, One-Pieces & Cover-Ups mapping for US size 12–14 (L)

Symbol: 12–14 (L)Base Value: 96.5

16–18 (XL)Size

Bust: 104.1 cm (41″), Cup: D–DD/E Cup, Waist: 83.8 cm (33″), Hip: 109.2 cm (43″), Torso Loop: 162.6 cm (64″), Style: One-Pieces, Swim Dresses & Tankinis mapping for US size 16–18 (XL)

Symbol: 16–18 (XL)Base Value: 104.1

18W–20W (2XL)Size

Bust: 114.3 cm (45″), Cup: DD–DDD/F Cup, Waist: 94 cm (37″), Hip: 119.4 cm (47″), Torso Loop: 167.6 cm (66″), Style: Plus One-Pieces & Tankini Sets mapping for US size 18W–20W (2XL)

Symbol: 18W–20W (2XL)Base Value: 114.3

22W–24W (3XL)Size

Bust: 124.5 cm (49″), Cup: DDD/F–G Cup, Waist: 104.1 cm (41″), Hip: 129.5 cm (51″), Torso Loop: 172.7 cm (68″), Style: Plus Swim Dresses & Tankinis mapping for US size 22W–24W (3XL)

Symbol: 22W–24W (3XL)Base Value: 124.5