👟 Brand to Brand
On to Puma Shoe Size Conversion
Switching from On to Puma? On runs true to size and Puma runs small, so the size you order changes. Here's the full chart.
A On 9 works out to a Puma 9.5 — about half a size up. The chart below has every size.
On → Puma: size up half a size
A On 9 is a Puma 9.5.
Find your On size on the left, read across for Puma:
| On size | Puma size | UK | EU | Foot (cm) |
|---|---|---|---|---|
| 6.5 | 7 | 5.5 | 37 | 23.5 |
| 7 | 7.5 | 6 | 38 | 24.3 |
| 7.5 | 8 | 6.5 | 38.5 | 24.7 |
| 8 | 8.5 | 7 | 39.5 | 25.1 |
| 8.5 | 9 | 7.5 | 41 | 25.9 |
| 9 | 9.5 | 8 | 41.5 | 26.3 |
| 9.5 | 10 | 8.5 | 42.5 | 26.7 |
| 10 | 10.5 | 9 | 43 | 27.1 |
| 10.5 | 11 | 9.5 | 43.5 | 27.5 |
| 11 | 11.5 | 10 | 44 | 27.9 |
| 11.5 | 12 | 10.5 | 44.5 | 28.3 |
| 12 | 12.5 | 11 | 45.5 | 28.7 |
| 12.5 | 13 | 11.5 | 46 | 29.1 |
| 13 | 13.5 | 12 | 47 | 29.5 |
| 13.5 | 14 | 12.5 | 47.5 | 29.9 |
| 14 | 14.5 | 13 | 48 | 30.3 |
| 14.5 | 15 | 13.5 | 49 | 31.1 |
| 15 | 15.5 | 14 | 49.5 | 31.5 |
⚠️ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. Puma runs about half a size small for many models — sizing up half is common.
Puma to On → · On chart · Puma chart · Brand finder
What is a On 9 in Puma?
A On 9 is about a Puma 9.5 — they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).
Do On and Puma fit the same?
No — On runs true to size and Puma runs small, so size up half a size when you switch.
ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
Recommended on Amazon
Foot Measuring Device
Measure once, buy any brand with confidence.
View on Amazon →