True-to-Size Millimeter Sizing Comparison
New Balance 530 vs New Balance 608v5 Slip Resistant
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 530 to see your calculated size in the 608v5 Slip Resistant.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| 530 (US) | Internal Cavity | 608v5 Slip Resistant Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| 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 | 277 mm | US 8.5 | 100% | 0.0 mm |
| US 9 | 280 mm | US 9 | 100% | 0.0 mm |
| US 9.5 | 283 mm | US 9.5 | 100% | 0.0 mm |
| US 10 | 287 mm | US 10 | 100% | 0.0 mm |
| US 10.5 | 290 mm | US 10.5 | 100% | 0.0 mm |
| US 11 | 293 mm | US 11 | 100% | 0.0 mm |
| US 11.5 | 297 mm | US 11.5 | 100% | 0.0 mm |
| US 12 | 300 mm | US 12 | 100% | 0.0 mm |
| US 12.5 | 303 mm | US 12.5 | 100% | 0.0 mm |
| US 13 | 307 mm | US 13 | 100% | 0.0 mm |
| US 14 | 313 mm | US 14 | 100% | 0.0 mm |
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Frequently Asked Questions
How does the 530 size compare to the 608v5 Slip Resistant?
Both shoes share a very similar length profile. We recommend ordering your standard size in both. The 530 has an internal fit offset of 0mm compared to 0mm for the 608v5 Slip Resistant.
Do these shoes fit wide feet comfortably?
The 530 has a standard medium width profile, while the 608v5 Slip Resistant is roomy/wide.