On to Timberland Shoe Size Conversion

Switching from On to Timberland? On runs true to size and Timberland runs large, so the size you order changes. Here's the full chart.

Reviewed by the 247Sizing teamLast updated: 12 August 2026

On runs 0.5 size larger than Timberland, so you may need to size down when switching.

Size up 0.5 moving to Timberland

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

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

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

⚠️ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. Timberland boots run about half a size large — many size down half.

Timberland to On → · On chart · Timberland chart · Brand finder

What is a On 10.5 in Timberland?

A On 10.5 is about a Timberland 10 — they share a foot length of roughly 27.5 cm (UK 9.5, EU 43.5).

Do On and Timberland fit the same?

Not quite — Timberland runs about 0.5 size smaller than On.

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