On to Converse Shoe Size Conversion

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

A On 9 works out to a Converse 8 — about a full size down. The chart below has every size.

On → Converse: size down a full size

A On 9 is a Converse 8.

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

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

⚠️ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. Converse (Chuck Taylor) runs about a full size large — size down one from your usual.

Converse to On → · On chart · Converse chart · Brand finder

What is a On 9 in Converse?

A On 9 is about a Converse 8 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).

Do On and Converse fit the same?

No — On runs true to size and Converse runs large, so size down a full size when you switch.

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