What size is Converse US 9 in Vans?

About Vans US 9 (EU 42.5), matched by ~26.4 cm. Then adjust for the specific model.

Is a Converse 9 the same as a Vans 9?

Not always. Labels can map to different foot lengths — use cm, then model fit.

Brand-to-brand size at a fixed US label — matched by foot length (cm), not guesswork.

Converse US 9 maps to about 26.4 cm on that brand’s chart. The nearest Vans row at that length is US 9 / EU 42.5.

Same chart cm can still feel different on foot. Read the guides:

Converse: Chuck Taylor All Star High (runs big) · Chuck 70 High (runs big)

Vans: Old Skool (true to size) · Authentic (true to size) · Classic Slip-On (true to size)

What size is Converse US 9 in Vans?: About Vans US 9 (EU 42.5), via ~26.4 cm.
Where is the full size table?: Converse to Vans compare.