Under Armour to Merrell Shoe Size Conversion

Switching from Under Armour to Merrell? Under Armour runs small and Merrell runs true to size, so the size you order changes. Here's the full chart.

A Under Armour 9.5 works out to a Merrell 9 — about half a size down. The chart below has every size.

Under Armour → Merrell: size down half a size

A Under Armour 9.5 is a Merrell 9.

Find your Under Armour size on the left, read across for Merrell:

Under Armour size	Merrell size	UK	EU	Foot (cm)
7	6.5	5.5	37	23.5
7.5	7	6	38	24.3
8	7.5	6.5	38.5	24.7
8.5	8	7	39.5	25.1
9	8.5	7.5	41	25.9
9.5	9	8	41.5	26.3
10	9.5	8.5	42.5	26.7
10.5	10	9	43	27.1
11	10.5	9.5	43.5	27.5
11.5	11	10	44	27.9
12	11.5	10.5	44.5	28.3
12.5	12	11	45.5	28.7
13	12.5	11.5	46	29.1
13.5	13	12	47	29.5
14	13.5	12.5	47.5	29.9
14.5	14	13	48	30.3
15	14.5	13.5	49	31.1
15.5	15	14	49.5	31.5

⚠️ Fit varies by model. Under Armour tends to run about half a size small, especially in performance trainers. Merrell runs true to size with a roomy toe box; wide options exist.

Merrell to Under Armour → · Under Armour chart · Merrell chart · Brand finder

What is a Under Armour 9.5 in Merrell?

A Under Armour 9.5 is about a Merrell 9 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).

Do Under Armour and Merrell fit the same?

No — Under Armour runs small and Merrell runs true to size, so size down half a size when you switch.

ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.

★ Top pick · Recommended on Amazon

Merrell Shoes

Shop Merrell in your converted size.

View on Amazon →

Recommended on Amazon

Under Armour Shoes