True-to-Size Millimeter Sizing Comparison
OluKai Ohana vs OluKai Ulele
Detailed size conversion chart, cavity measurements in millimeters, and crowd-sourced fit advice for choosing your perfect size.
Interactive Size Converter
Select what size you wear in the Ohana to see your calculated size in the Ulele.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Ohana (US) | Internal Cavity | Ulele Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 7 | 267 mm | US 7 | 99% | +0.1 mm |
| US 7.5 | 270 mm | US 7.5 | 99% | +0.1 mm |
| US 8 | 273 mm | US 8 | 99% | +0.1 mm |
| US 8.5 | 277 mm | US 8.5 | 99% | +0.1 mm |
| US 9 | 280 mm | US 9 | 99% | +0.1 mm |
| US 9.5 | 283 mm | US 9.5 | 99% | +0.1 mm |
| US 10 | 287 mm | US 10 | 99% | +0.1 mm |
| US 10.5 | 290 mm | US 10.5 | 99% | +0.1 mm |
| US 11 | 293 mm | US 11 | 99% | +0.1 mm |
| US 11.5 | 297 mm | US 11.5 | 99% | +0.1 mm |
| US 12 | 300 mm | US 12 | 99% | +0.1 mm |
| US 12.5 | 303 mm | US 12.5 | 99% | +0.1 mm |
| US 13 | 307 mm | US 13 | 99% | +0.1 mm |
| US 14 | 313 mm | US 14 | 99% | +0.1 mm |
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Frequently Asked Questions
How does the Ohana size compare to the Ulele?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Ohana has an internal fit offset of -0.36mm compared to -0.24mm for the Ulele.
Do these shoes fit wide feet comfortably?
The Ohana has a standard medium width profile, while the Ulele is snug/narrow.