Women’s Shoe Widths & Fittings Sizing & Measurement Matrix

Comprehensive reference matrix mapping women’s shoe width fittings, AA/B/D sizing, and narrow/wide standards against forefoot ball width metrics and transverse last curves.

Women’s Shoe Widths Standard Specifications

Detailed breakdown of standardized sizing labels, reference foot lengths, forefoot ball width metrics, minimum/maximum width intervals, and fit classifications for women’s footwear.

United States	Europe	United Kingdom	Italy	France	Australia	Japan	South Korea	China	Brazil	Mexico	International	Foot Length ( $\text{cm}$ )	Foot Length ( $\text{in}$ )	Ball Width ( $\text{cm}$ )	Ball Width ( $\text{in}$ )	Min. Width ( $\text{cm}$ )	Min. Width ( $\text{in}$ )	Max. Width ( $\text{cm}$ )	Max. Width ( $\text{in}$ )	Fit Classification
5-4A	35-F-	3-AA	34	35	AA	22	220	36	33	2	XS	21.9	8.6	7.6	3	7.4	2.9	7.8	3.1	Extra Narrow (5-4A / Slim)
7-4A	37-F-	5-AA	36	37	AA	23	230	38	35	3	XS	23	9.05	8	3.15	7.8	3.05	8.2	3.25	Extra Narrow (7-4A / Slim)
9-4A	39-F-	7-AA	38	39	AA	24	240	40	37	4	S	24	9.45	8.5	3.35	8.3	3.25	8.7	3.45	Extra Narrow (9-4A / Slim)
5-2A	35-E	3-A	34	35	A	22	220	36	33	2	XS	21.9	8.6	7.9	3.1	7.7	3.05	8.1	3.2	Narrow (5-2A / A)
7-2A	37-E	5-A	36	37	A	23	230	38	35	3	S	23	9.05	8.4	3.3	8.2	3.2	8.6	3.4	Narrow (7-2A / A)
9-2A	39-E	7-A	38	39	A	24	240	40	37	4	S	24	9.45	8.9	3.5	8.7	3.42	9.1	3.58	Narrow (9-2A / A)
5-B	35-F	3-C	34	35	C	22	220	36	33	2	S	21.9	8.6	8.2	3.2	8	3.15	8.4	3.3	Standard Width (5-B)
7-B	37-F	5-C	36	37	C	23	230	38	35	3	M	23	9.05	8.8	3.45	8.6	3.4	9	3.55	Standard Width (7-B)
9-B	39-F	7-C	38	39	C	24	240	40	37	4	M	24	9.45	9.2	3.62	9	3.55	9.4	3.7	Standard Width (9-B)
11-B	41-F	9-C	40	41	C	25	250	42	39	5	L	25	9.85	9.6	3.78	9.4	3.7	9.8	3.85	Standard Width (11-B)
6-D	36-G	4-D	35	36	D	22.5	225	37	34	2.5	M	22.5	8.85	8.9	3.5	8.7	3.42	9.1	3.58	Wide (6-D)
8-D	38-G	6-D	37	38	D	23.5	235	39	36	3.5	L	23.5	9.25	9.5	3.74	9.3	3.66	9.7	3.82	Wide (8-D)
10-D	40-G	8-D	39	40	D	24.5	245	41	38	4.5	XL	24.5	9.65	9.9	3.9	9.7	3.82	10.1	3.98	Wide (10-D)
7-2E	37-H	5-EE	36	37	EE	23	230	38	35	3	L	23	9.05	9.5	3.74	9.3	3.66	9.7	3.82	Extra Wide (7-2E / EE)
9-2E	39-H	7-EE	38	39	EE	24	240	40	37	4	XL	24	9.45	10.1	3.98	9.9	3.9	10.3	4.05	Extra Wide (9-2E / EE)

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

Interpreting Women’s Shoe Width & Ball Dimensions

Standardizing women’s shoe width sizing requires correlating regional size labels with precise anthropometric indicators, including reference foot length steps, exact forefoot ball width measurements, and minimum-to-maximum width intervals. Because footwear fit depends on transverse arch shape and lateral pressure across the metatarsal joints, sizing spans global standards including US, UK, EU, Italian, French, and Asian formats.

Crucial Fit Advisory: Two-Dimensional Sizing: Shoe comfort is inherently two-dimensional. While length determines whether your toes hit the front wall, width fittings govern lateral pressure. Users must always cross-reference this width chart with our standard Women’s Shoe Size Converter to check correct longitudinal measurements alongside transverse last grading.

Indexed Sizing Tiers & Dimensions

5-4AWidth

Ball Width: 7.6 cm (3″), Width Range: 7.4–7.8 cm (2.9″–3.1″), Foot Length: 21.9 cm (8.6″), Fit: Extra Narrow (5-4A / Slim) mapping for US size 5-4A

Symbol: 5-4ABase Value: 7.6

7-4AWidth

Ball Width: 8 cm (3.15″), Width Range: 7.8–8.2 cm (3.05″–3.25″), Foot Length: 23 cm (9.05″), Fit: Extra Narrow (7-4A / Slim) mapping for US size 7-4A

Symbol: 7-4ABase Value: 8

9-4AWidth

Ball Width: 8.5 cm (3.35″), Width Range: 8.3–8.7 cm (3.25″–3.45″), Foot Length: 24 cm (9.45″), Fit: Extra Narrow (9-4A / Slim) mapping for US size 9-4A

Symbol: 9-4ABase Value: 8.5

5-2AWidth

Ball Width: 7.9 cm (3.1″), Width Range: 7.7–8.1 cm (3.05″–3.2″), Foot Length: 21.9 cm (8.6″), Fit: Narrow (5-2A / A) mapping for US size 5-2A

Symbol: 5-2ABase Value: 7.9

7-2AWidth

Ball Width: 8.4 cm (3.3″), Width Range: 8.2–8.6 cm (3.2″–3.4″), Foot Length: 23 cm (9.05″), Fit: Narrow (7-2A / A) mapping for US size 7-2A

Symbol: 7-2ABase Value: 8.4

9-2AWidth

Ball Width: 8.9 cm (3.5″), Width Range: 8.7–9.1 cm (3.42″–3.58″), Foot Length: 24 cm (9.45″), Fit: Narrow (9-2A / A) mapping for US size 9-2A

Symbol: 9-2ABase Value: 8.9

5-BWidth

Ball Width: 8.2 cm (3.2″), Width Range: 8–8.4 cm (3.15″–3.3″), Foot Length: 21.9 cm (8.6″), Fit: Standard Width (5-B) mapping for US size 5-B

Symbol: 5-BBase Value: 8.2

7-BWidth

Ball Width: 8.8 cm (3.45″), Width Range: 8.6–9 cm (3.4″–3.55″), Foot Length: 23 cm (9.05″), Fit: Standard Width (7-B) mapping for US size 7-B

Symbol: 7-BBase Value: 8.8

9-BWidth

Ball Width: 9.2 cm (3.62″), Width Range: 9–9.4 cm (3.55″–3.7″), Foot Length: 24 cm (9.45″), Fit: Standard Width (9-B) mapping for US size 9-B

Symbol: 9-BBase Value: 9.2

11-BWidth

Ball Width: 9.6 cm (3.78″), Width Range: 9.4–9.8 cm (3.7″–3.85″), Foot Length: 25 cm (9.85″), Fit: Standard Width (11-B) mapping for US size 11-B

Symbol: 11-BBase Value: 9.6

6-DWidth

Ball Width: 8.9 cm (3.5″), Width Range: 8.7–9.1 cm (3.42″–3.58″), Foot Length: 22.5 cm (8.85″), Fit: Wide (6-D) mapping for US size 6-D

Symbol: 6-DBase Value: 8.9

8-DWidth

Ball Width: 9.5 cm (3.74″), Width Range: 9.3–9.7 cm (3.66″–3.82″), Foot Length: 23.5 cm (9.25″), Fit: Wide (8-D) mapping for US size 8-D

Symbol: 8-DBase Value: 9.5

10-DWidth

Ball Width: 9.9 cm (3.9″), Width Range: 9.7–10.1 cm (3.82″–3.98″), Foot Length: 24.5 cm (9.65″), Fit: Wide (10-D) mapping for US size 10-D

Symbol: 10-DBase Value: 9.9

7-2EWidth

Ball Width: 9.5 cm (3.74″), Width Range: 9.3–9.7 cm (3.66″–3.82″), Foot Length: 23 cm (9.05″), Fit: Extra Wide (7-2E / EE) mapping for US size 7-2E

Symbol: 7-2EBase Value: 9.5

9-2EWidth

Ball Width: 10.1 cm (3.98″), Width Range: 9.9–10.3 cm (3.9″–4.05″), Foot Length: 24 cm (9.45″), Fit: Extra Wide (9-2E / EE) mapping for US size 9-2E

Symbol: 9-2EBase Value: 10.1