👟 On
On Women's Size 6.5
A On women's size 6.5 fits like a standard US 6.5. Here's that in UK, EU and foot length, and what to order if you measure differently.
On runs true to size, so a women's On 6.5 is a standard US 6.5 (UK 4.5, EU 35, about 22.0 cm of foot). Order your usual size.
On 6.5 = US 6.5
UK 4.5 · EU 35 · foot ≈ 22.0 cm
What to order: your usual US size — a US 6.5 wearer takes a On 6.5.
| On size | Fits like (US) | UK | EU | Foot cm |
|---|---|---|---|---|
| 6.5 | 6.5 | 4.5 | 35 | 22.0 |
| 7.5 | 7.5 | 5.5 | 36.5 | 23.2 |
⚠️ On (On Running) runs true to size for most, with a snug, performance fit.
Full On size chart → · Brand size finder →
What size is a On women's 6.5?
It fits like a standard US 6.5 — UK 4.5, EU 35, about 22.0 cm of foot length.
ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
★ Top pick · Recommended on Amazon
On Shoes
Shop On in your recommended size — check model fit notes too.
View on Amazon →Recommended on Amazon
Foot Measuring Device
Size from your foot length, not the label — the reliable starting point.
View on Amazon →Recommended on Amazon
Gel Insoles
Take up a touch of slack if a size runs slightly large.
View on Amazon →