True-to-Size Millimeter Sizing Comparison
Under Armour Blur Pro Football Cleats vs Under Armour Charged Assert 10
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 Blur Pro Football Cleats to see your calculated size in the Charged Assert 10.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Blur Pro Football Cleats (US) | Internal Cavity | Charged Assert 10 Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 240 mm | US 7 | 0% | +23.0 mm |
| US 4 | 243 mm | US 7 | 0% | +20.0 mm |
| US 4.5 | 247 mm | US 7 | 0% | +16.0 mm |
| US 5 | 250 mm | US 7 | 0% | +13.0 mm |
| US 5.5 | 253 mm | US 7 | 0% | +10.0 mm |
| US 6 | 257 mm | US 7 | 29% | +6.0 mm |
| US 6.5 | 260 mm | US 7 | 65% | +3.0 mm |
| US 7 | 267 mm | US 7.5 | 88% | -1.0 mm |
| US 7.5 | 270 mm | US 8 | 88% | -1.0 mm |
| US 8 | 273 mm | US 8.5 | 100% | 0.0 mm |
| US 8.5 | 277 mm | US 9 | 88% | -1.0 mm |
| US 9 | 280 mm | US 9.5 | 88% | -1.0 mm |
| US 9.5 | 283 mm | US 10 | 100% | 0.0 mm |
| US 10 | 287 mm | US 10.5 | 88% | -1.0 mm |
| US 10.5 | 290 mm | US 11 | 88% | -1.0 mm |
| US 11 | 293 mm | US 11.5 | 100% | 0.0 mm |
| US 11.5 | 297 mm | US 12 | 88% | -1.0 mm |
| US 12 | 300 mm | US 12.5 | 88% | -1.0 mm |
| US 12.5 | 303 mm | US 13 | 100% | 0.0 mm |
| US 13 | 307 mm | US 14 | 76% | +2.0 mm |
| US 14 | 313 mm | US 14 | 53% | -4.0 mm |
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Frequently Asked Questions
How does the Blur Pro Football Cleats size compare to the Charged Assert 10?
The Charged Assert 10 is about 4mm shorter than the Blur Pro Football Cleats. We suggest ordering 1/2 size up in Charged Assert 10. The Blur Pro Football Cleats has an internal fit offset of 0mm compared to -4mm for the Charged Assert 10.
Do these shoes fit wide feet comfortably?
The Blur Pro Football Cleats has a standard medium width profile, while the Charged Assert 10 is standard medium.