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New Balance to Under Armour Shoe Size Conversion

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

A New Balance 9 works out to a Under Armour 9.5 โ€” about half a size up. The chart below has every size.
New Balance โ†’ Under Armour: size up half a size
A New Balance 9 is a Under Armour 9.5.

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

New Balance sizeUnder Armour sizeUKEUFoot (cm)
6.575.53723.5
77.563824.3
7.586.538.524.7
88.5739.525.1
8.597.54125.9
99.5841.526.3
9.5108.542.526.7
1010.594327.1
10.5119.543.527.5
1111.5104427.9
11.51210.544.528.3
1212.51145.528.7
12.51311.54629.1
1313.5124729.5
13.51412.547.529.9
1414.5134830.3
14.51513.54931.1
1515.51449.531.5
โš ๏ธ Fit varies by model. New Balance runs true to size and is one of the best brands for width options (2A to 4E). Under Armour tends to run about half a size small, especially in performance trainers.

Under Armour to New Balance โ†’ ยท New Balance chart ยท Under Armour chart ยท Brand finder

What is a New Balance 9 in Under Armour?

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

Do New Balance and Under Armour fit the same?

No โ€” New Balance runs true to size and Under Armour runs small, so size up half a size when you switch.

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