Dr. Martens to Under Armour Shoe Size Conversion

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

A Dr. Martens 8.5 works out to a Under Armour 9.5 — about a full size up. The chart below has every size.

Dr. Martens → Under Armour: size up a full size

A Dr. Martens 8.5 is a Under Armour 9.5.

Find your Dr. Martens size on the left, read across for Under Armour:

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

⚠️ Fit varies by model. Dr. Martens runs about half to a full size large and has no half sizes — size down to the nearest whole. Under Armour tends to run about half a size small, especially in performance trainers.

Under Armour to Dr. Martens → · Dr. Martens chart · Under Armour chart · Brand finder

What is a Dr. Martens 8.5 in Under Armour?

A Dr. Martens 8.5 is about a Under Armour 9.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).

Do Dr. Martens and Under Armour fit the same?

No — Dr. Martens runs large and Under Armour runs small, so size up a full size when you switch.

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