One Star Size Guide: Fit, Width & Size Chart

Runs half-size small

The Converse One Star runs half-size small. Start by checking half a size up from your usual US size. Available in standard (D) width only. Use the table below to convert your foot length in millimetres straight to US, UK, EU and CM sizes — the one measurement every system agrees on.

Best fit recommendation for Converse One Star

For a 259 mm foot, Converse One Star runs small. Best fit: US 9 (likely US 8–10), UK 8, EU 39, 26.5 cm — confidence 50%.

Recommended size for a 259 mm foot on Converse One Star (best fit + range, not a guarantee)
Best fit Likely range UK EU CM Confidence
US 9 US 8–10 8 39 26.5 50%

Evidence: 1 sources · no lab measurement in this record

See how we calculate for the methodology. Sizes vary by model and foot shape; this is an estimate, not a guarantee.

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Does the One Star run true to size?

Across our data the Converse One Star runs half-size small. Start by checking half a size up from your usual US size.

One Star size conversion chart

One Star sizes by foot length. US Men's, US Women's, UK, EU and CM. The highlighted row is the model's true-to-size anchor.
Foot length US Men US Women UK EU CM
237.9mm 6 7.5 5 36 24
242.1mm 6.5 8 5.5 36 24
246.3mm 7 8.5 6 37 24.5
250.5mm 7.5 9 6.5 38 25
254.8mm 8 9.5 7 38 25.5
259mm 8.5 10 7.5 39 26
263.2mm 9 10.5 8 39 26.5
267.5mm 9.5 11 8.5 40 27
271.7mm 10 11.5 9 41 27
275.9mm 10.5 12 9.5 41 27.5
280.2mm 11 12.5 10 42 28

EU sizes are always rounded to a whole size — treat the EU column as the closest honest match.

One Star width availability

Available in standard (D) width only.

Only the standard (D) width is offered, so very wide or very narrow feet may need to adjust length or choose a brand with more width grades.

Expert fit notes

Suede upper with a tighter midfoot than the Chuck 70. Half to full size up depending on foot width.

Where this data comes from

Built from 1 source and 944 measurements. See how we calculate for how confidence is scored.