True-to-Size Millimeter Sizing Comparison
Nike Air Max Plus vs Vans Classic Slip-On Checkerboard
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 Air Max Plus to see your calculated size in the Classic Slip-On Checkerboard.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Air Max Plus (US) | Internal Cavity | Classic Slip-On Checkerboard Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 232 mm | US 7 | 0% | +27.9 mm |
| US 4 | 236 mm | US 7 | 0% | +23.9 mm |
| US 4.5 | 240 mm | US 7 | 0% | +19.9 mm |
| US 5 | 245 mm | US 7 | 0% | +14.9 mm |
| US 5.5 | 249 mm | US 7 | 0% | +10.9 mm |
| US 6 | 253 mm | US 7 | 19% | +6.9 mm |
| US 6.5 | 257 mm | US 7 | 66% | +2.9 mm |
| US 7 | 261 mm | US 7.5 | 30% | +5.9 mm |
| US 7.5 | 266 mm | US 7.5 | 90% | +0.9 mm |
| US 8 | 270 mm | US 8 | 99% | -0.1 mm |
| US 8.5 | 274 mm | US 8.5 | 87% | -1.1 mm |
| US 9 | 278 mm | US 9 | 78% | +1.9 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 | 291 mm | US 10.5 | 78% | +1.9 mm |
| US 11 | 295 mm | US 11 | 78% | +1.9 mm |
| US 11.5 | 299 mm | US 11.5 | 90% | +0.9 mm |
| US 12 | 304 mm | US 12 | 66% | +2.9 mm |
| US 12.5 | 308 mm | US 13 | 42% | +4.9 mm |
| US 13 | 312 mm | US 13 | 90% | +0.9 mm |
| US 13.5 | 316 mm | US 13 | 63% | -3.1 mm |
| US 14 | 321 mm | US 13 | 4% | -8.1 mm |
| US 14.5 | 325 mm | US 13 | 0% | -12.1 mm |
| US 15 | 329 mm | US 13 | 0% | -16.1 mm |
| US 15.5 | 333 mm | US 13 | 0% | -20.1 mm |
| US 16 | 338 mm | US 13 | 0% | -25.1 mm |
| US 16.5 | 342 mm | US 13 | 0% | -29.1 mm |
| US 17 | 346 mm | US 13 | 0% | -33.1 mm |
| US 17.5 | 350 mm | US 13 | 0% | -37.1 mm |
| US 18 | 355 mm | US 13 | 0% | -42.1 mm |
| US 18.5 | 359 mm | US 13 | 0% | -46.1 mm |
| US 19 | 363 mm | US 13 | 0% | -50.1 mm |
| US 19.5 | 367 mm | US 13 | 0% | -54.1 mm |
| US 20 | 371 mm | US 13 | 0% | -58.1 mm |
| US 20.5 | 376 mm | US 13 | 0% | -63.1 mm |
| US 21 | 380 mm | US 13 | 0% | -67.1 mm |
| US 21.5 | 384 mm | US 13 | 0% | -71.1 mm |
| US 22 | 388 mm | US 13 | 0% | -75.1 mm |
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Frequently Asked Questions
How does the Air Max Plus size compare to the Classic Slip-On Checkerboard?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The Air Max Plus has an internal fit offset of 0.12mm compared to 0mm for the Classic Slip-On Checkerboard.
Do these shoes fit wide feet comfortably?
The Air Max Plus has a roomy/wide width profile, while the Classic Slip-On Checkerboard is snug/narrow.