True-to-Size Millimeter Sizing Comparison
Frye Campus 14L vs Frye Carson Ballet
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 Campus 14L to see your calculated size in the Carson Ballet.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Campus 14L (US) | Internal Cavity | Carson Ballet Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 244 mm | US 4 | 88% | -1.0 mm |
| US 4 | 247 mm | US 4.5 | 100% | 0.0 mm |
| US 4.5 | 251 mm | US 5 | 88% | -1.0 mm |
| US 5 | 254 mm | US 5.5 | 88% | -1.0 mm |
| US 5.5 | 257 mm | US 6 | 100% | 0.0 mm |
| US 6 | 261 mm | US 6.5 | 88% | -1.0 mm |
| US 6.5 | 264 mm | US 7 | 65% | +3.0 mm |
| US 7 | 271 mm | US 7.5 | 88% | -1.0 mm |
| US 7.5 | 274 mm | US 8 | 88% | -1.0 mm |
| US 8 | 277 mm | US 8.5 | 100% | 0.0 mm |
| US 8.5 | 281 mm | US 9 | 88% | -1.0 mm |
| US 9 | 284 mm | US 9.5 | 88% | -1.0 mm |
| US 9.5 | 287 mm | US 10 | 100% | 0.0 mm |
| US 10 | 291 mm | US 10.5 | 88% | -1.0 mm |
| US 10.5 | 294 mm | US 11 | 88% | -1.0 mm |
| US 11 | 297 mm | US 11.5 | 100% | 0.0 mm |
| US 11.5 | 301 mm | US 12 | 88% | -1.0 mm |
| US 12 | 304 mm | US 12.5 | 88% | -1.0 mm |
| US 12.5 | 307 mm | US 13 | 100% | 0.0 mm |
| US 13 | 311 mm | US 14 | 76% | +2.0 mm |
| US 14 | 317 mm | US 14 | 53% | -4.0 mm |
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Frequently Asked Questions
How does the Campus 14L size compare to the Carson Ballet?
The Carson Ballet is about 4mm shorter than the Campus 14L. We suggest ordering 1/2 size up in Carson Ballet. The Campus 14L has an internal fit offset of 4mm compared to 0mm for the Carson Ballet.
Do these shoes fit wide feet comfortably?
The Campus 14L has a standard medium width profile, while the Carson Ballet is standard medium.