Merrell Shoe Size Chart

Merrell's own published size chart, covering a 23cm to 34cm foot, with 2 real width fittings rather than length alone, including a children's chart Merrell publishes itself. Every figure below is keyed to a measured foot length rather than converted from another size number. Open the calculator with Merrell selected to read it against all 35 brands at once.

Does Merrell run small?

No. By its own size chart, Merrell sizes in line with most brands in both men's and women's sizes. A 27 cm foot is a men's US 9 in Merrell and in 22 of 34 other brands' charts. Charts show how a brand means its sizes to fit, not how any one shoe feels, so read Merrell's own fit advice below as well.

Foot length	Merrell	Most common in other brands
Men's, 25.5 cm	US 7.5	US 7.5 (20 of 34)
Men's, 27 cm	US 9	US 9 (22 of 34)
Men's, 28.5 cm	US 10.5	US 10.5 (19 of 34)
Women's, 23 cm	US 6	US 6 (14 of 33)
Women's, 24 cm	US 7	US 7 (15 of 34)
Women's, 25 cm	US 8	US 8 (15 of 34)

How this is worked out: every foot length from 25 to 29 cm (men's) and 22.5 to 26 cm (women's), in 1 mm steps, is read against Merrell's chart and the other 34 brands' charts the way the calculator reads them, rounding up between sizes. The answer is the average gap between Merrell's size and the size the other brands give most often. See the methodology.

Merrell men's size chart

Foot length (cm)	US	UK	EU	JP
23	5	4.5	38	23
23.5	5.5	5	38.5	23.5
24	6	5.5	39	24
24.5	6.5	6	39.5	24.5
25	7	6.5	40	25
25.5	7.5	7	41	25.5
26	8	7.5	41.5	26
26.5	8.5	8	42	26.5
27	9	8.5	43	27
27.5	9.5	9	43.5	27.5
28	10	9.5	44	28
28.5	10.5	10	44.5	28.5
29	11	10.5	45	29
29.5	11.5	11	46	29.5
30	12	11.5	46.5	30
30.5	12.5	12	47	30.5
31	13	12.5	48	31
32	14	13	49	32
33	15	14	50	33
34	16	15	51	34

Merrell women's size chart

Foot length (cm)	US	UK	EU	JP
22	5	2.5	35	22
22.5	5.5	3	35.5	22.5
23	6	3.5	36	23
23.5	6.5	4	37	23.5
24	7	4.5	37.5	24
24.5	7.5	5	38	24.5
25	8	5.5	38.5	25
25.5	8.5	6	39	25.5
26	9	6.5	40	26
26.5	9.5	7	40.5	26.5
27	10	7.5	41	27
27.5	10.5	8	42	27.5
28	11	8.5	42.5	28
28.5	11.5	9	43	28.5

Merrell kids' size chart

Foot length (cm)	US	UK	EU	JP
8.5	1C	0.5	16	8.5
9.4	2C	1.5	17	9.4
10.2	3C	2.5	18	10.2
11	4C	3	20	11
11.4	4.5C	3.5	20.5	11.4
11.8	5C	4	21	11.8
12.4	5.5C	4.5	21.5	12.4
12.9	6C	5	22	12.9
13.3	6.5C	5.5	22.5	13.3
13.7	7C	6	23	13.7
14.1	7.5C	6.5	23.5	14.1
14.6	8C	7	24	14.6
15	8.5C	7.5	24.5	15
15.4	9C	8	25	15.4
15.8	9.5C	8.5	25.5	15.8
16.2	10C	9	26	16.2
16.5	10.5C	9.5	27	16.5
17	11C	10	28	17
17.5	11.5C	10.5	28.5	17.5
18	12C	11	29	18
18.5	12.5C	11.5	30	18.5
19	13C	12	31	19
19.5	13.5C	12.5	31.5	19.5
20	1Y	13	32	20
20.5	1.5Y	13.5	33	20.5
21	2Y	1	33.5	21
21.5	2.5Y	1.5	34	21.5
22	3Y	2	35	22
22.5	3.5Y	2.5	35.5	22.5
23	4Y	3	36	23
23.5	4.5Y	3.5	36.5	23.5
24	5Y	4	37	24
24.5	5.5Y	4.5	37.5	24.5
25	6Y	5	38	25
25.5	6.5Y	5.5	38.5	25.5
26	7Y	6	39	26

Merrell width chart

Merrell publishes 2 men's and 2 women's width fittings. The standard fitting is D in men's and B in women's, so a D is the standard men's fitting but a wider women's one. Check which chart a letter belongs to before carrying it across.

Men's fittings

Fitting	What Merrell calls it
D	Medium (standard)
2E	Wide

Women's fittings

Fitting	What Merrell calls it	Note
B	Medium (standard)
D	Wide	Careful: a D is Merrell's WIDE women's fitting, while a D is the STANDARD men's fitting

Not every model is made in every fitting. Enter a forefoot width in the calculator and it returns Merrell's own fitting for your foot. The width chart compares fittings across brands, and the wide-feet guide shows how to tell whether your foot is wide.

How to measure for Merrell

Measure heel-to-toe standing, using the longer foot, with the socks you plan to hike in.

Merrell fit guidance

Merrell itself recommends shopping by US size rather than UK/EU where possible -- a specialist UK retailer notes Merrell's own UK/EU labels contain inconsistencies between men's and women's sizing. Merrell uses separate lasts (not just rescaled) for men's and women's models. Merrell's children's range is unusually complete, covering roughly an 8.5cm infant foot up to 26cm. Their own chart reuses US numbers across bands (a 4 appears at both 11.0cm and 23.0cm), so C and Y suffixes are shown here to keep them apart. Merrell groups the range as Little Kids/Toddler, Big Kids/Pre-School and Big Kids/Grade School, which is worth checking against a product listing. Merrell offers a wide fitting on roughly a fifth of its range: men's 2E against a standard D, women's D against a standard B. So a D means standard in men's and wide in women's. Merrell labels widths as M and W rather than by letter on some listings, and the style code carries a W suffix on wide versions (J87577 is regular, J87577W is wide), which is the reliable way to tell from a box.

Where this data comes from

Sizing information reviewed October 2026. Manufacturers revise their charts from time to time, so always confirm against the specific model before buying.

Find your size in every brand at once. Enter your foot length in the calculator and compare Merrell against 34 other brands side by side.

Open the shoe size calculator with Merrell selected