Under Armour to New Balance Shoe Size Conversion

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

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

Under Armour → New Balance: size down half a size

A Under Armour 9.5 is a New Balance 9.

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

Under Armour size	New Balance 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. New Balance runs true to size and is one of the best brands for width options (2A to 4E).

New Balance to Under Armour → · Under Armour chart · New Balance chart · Brand finder

What is a Under Armour 9.5 in New Balance?

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

Do Under Armour and New Balance fit the same?

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

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