Timberland to Under Armour Shoe Size Conversion

Switching from Timberland to Under Armour? Timberland 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 1 size larger than Timberland, so you may need to size down when switching.

Size down 1 moving to Under Armour

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

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

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

⚠️ Fit varies by model. Timberland boots run about half a size large — many size down half. Under Armour tends to run about half a size small, especially in performance trainers.

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

What is a Timberland 10.5 in Under Armour?

A Timberland 10.5 is about a Under Armour 11.5 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).

Do Timberland and Under Armour fit the same?

Not quite — Under Armour runs about 1 size larger than Timberland.

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