Home โ€บ Footwear โ€บ Brands โ€บ On to Merrell
๐Ÿ‘Ÿ Brand to Brand

On to Merrell Shoe Size Conversion

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

Because On and Merrell share the same fit tendency, your size carries straight across: a On 9 is a Merrell 9.
On and Merrell run the same
Order the same number โ€” a On 9 is a Merrell 9.

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

On sizeMerrell sizeUKEUFoot (cm)
6.56.55.53723.5
7763824.3
7.57.56.538.524.7
88739.525.1
8.58.57.54125.9
99841.526.3
9.59.58.542.526.7
101094327.1
10.510.59.543.527.5
1111104427.9
11.511.510.544.528.3
12121145.528.7
12.512.511.54629.1
1313124729.5
13.513.512.547.529.9
1414134830.3
14.514.513.54931.1
15151449.531.5
โš ๏ธ Fit varies by model. On (On Running) runs true to size for most, with a snug, performance fit. Merrell runs true to size with a roomy toe box; wide options exist.

Merrell to On โ†’ ยท On chart ยท Merrell chart ยท Brand finder

What is a On 9 in Merrell?

A On 9 is about a Merrell 9 โ€” they share a foot length of roughly 26.3 cm (UK 8, EU 41.5).

Do On and Merrell fit the same?

Roughly, yes โ€” both run true to size, so the same number fits.

โ“˜ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
โ˜… Top pick ยท Recommended on Amazon
Merrell Shoes

Shop Merrell in your converted size.

View on Amazon โ†’
Recommended on Amazon
On Shoes

Or stick with On.

View on Amazon โ†’
Recommended on Amazon
Foot Measuring Device

Measure once, buy any brand with confidence.

View on Amazon โ†’