True-to-Size Millimeter Sizing Comparison
Jordan 1 Mid vs Jordan AJ1 Mid
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 1 Mid to see your calculated size in the AJ1 Mid.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| 1 Mid (US) | Internal Cavity | AJ1 Mid Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 5 | 237 mm | US 5 | 100% | -0.0 mm |
| US 5.5 | 240 mm | US 5.5 | 100% | -0.0 mm |
| US 6 | 243 mm | US 6 | 100% | -0.0 mm |
| US 6.5 | 250 mm | US 6.5 | 100% | -0.0 mm |
| US 7 | 253 mm | US 7 | 100% | -0.0 mm |
| US 6 | 257 mm | US 6 | 100% | -0.0 mm |
| US 6.5 | 260 mm | US 6.5 | 100% | -0.0 mm |
| US 7 | 267 mm | US 7 | 100% | -0.0 mm |
| US 7.5 | 270 mm | US 7.5 | 100% | -0.0 mm |
| US 8 | 273 mm | US 8 | 100% | -0.0 mm |
| US 8.5 | 280 mm | US 8.5 | 100% | -0.0 mm |
| US 9 | 283 mm | US 9 | 100% | -0.0 mm |
| US 9.5 | 287 mm | US 9.5 | 100% | -0.0 mm |
| US 10 | 293 mm | US 10 | 100% | -0.0 mm |
| US 10.5 | 297 mm | US 10.5 | 100% | -0.0 mm |
| US 11 | 300 mm | US 11 | 100% | -0.0 mm |
| US 11.5 | 303 mm | US 11.5 | 100% | -0.0 mm |
| US 12 | 307 mm | US 12 | 100% | -0.0 mm |
| US 12.5 | 313 mm | US 12.5 | 100% | -0.0 mm |
| US 13 | 316 mm | US 13 | 100% | -0.0 mm |
| US 14 | 322 mm | US 14 | 100% | -0.0 mm |
| US 15 | 328 mm | US 15 | 100% | -0.0 mm |
| US 16 | 334 mm | US 16 | 100% | -0.0 mm |
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Frequently Asked Questions
How does the 1 Mid size compare to the AJ1 Mid?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The 1 Mid has an internal fit offset of 0.12mm compared to 0.08mm for the AJ1 Mid.
Do these shoes fit wide feet comfortably?
The 1 Mid has a roomy/wide width profile, while the AJ1 Mid is roomy/wide.