Converse to Under Armour Shoe Size Conversion

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

Reviewed by the 247Sizing teamLast updated: 12 August 2026

Under Armour runs 2 size larger than Converse, so you may need to size down when switching.

Size down 2 moving to Under Armour

Under Armour runs larger — order half a size smaller than your Converse size.

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

Converse size	Under Armour size	UK	EU	Foot (cm)
6.5	8	5.5	37	23.5
6.5	8	5.5	37.5	23.9
7	8.5	6	38	24.3
7.5	9	6.5	38.5	24.7
8	9.5	7	39.5	25.1
8	9.5	7	40	25.5
8.5	10	7.5	41	25.9
9	10.5	8	41.5	26.3
9.5	11	8.5	42.5	26.7
10	11.5	9	43	27.1
10.5	12	9.5	43.5	27.5
11	12.5	10	44	27.9
11.5	13	10.5	44.5	28.3
12	13.5	11	45.5	28.7
12.5	14	11.5	46	29.1
13	14.5	12	47	29.5
13.5	15	12.5	47.5	29.9
14	15.5	13	48	30.3
14	15.5	13	48.5	30.7
14.5	16	13.5	49	31.1
15	16.5	14	49.5	31.5

⚠️ Fit varies by model. Converse (Chuck Taylor) runs about a full size large — size down one from your usual. Under Armour tends to run about half a size small, especially in performance trainers.

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

What is a Converse 10.5 in Under Armour?

A Converse 10.5 is about a Under Armour 12 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).

Do Converse and Under Armour fit the same?

Not quite — Under Armour runs about 2 size larger than Converse.

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