True-to-Size Millimeter Sizing Comparison
Converse Chuck Taylor All Star Low Top Sneaker vs KEEN Whisper
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 Chuck Taylor All Star Low Top Sneaker to see your calculated size in the Whisper.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Chuck Taylor All Star Low Top Sneaker (US) | Internal Cavity | Whisper Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| 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 Chuck Taylor All Star Low Top Sneaker size compare to the Whisper?
The Whisper is about 4mm shorter than the Chuck Taylor All Star Low Top Sneaker. We suggest ordering 1/2 size up in Whisper. The Chuck Taylor All Star Low Top Sneaker has an internal fit offset of 4mm compared to 0mm for the Whisper.
Do these shoes fit wide feet comfortably?
The Chuck Taylor All Star Low Top Sneaker has a standard medium width profile, while the Whisper is standard medium.