True-to-Size Millimeter Sizing Comparison
Under Armour Blur Pro Football Cleats vs Under Armour Charged Surge
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 Surge.
Complete Size Conversion Matrix
Direct millimeter-calibrated mapping comparing all available sizes between both shoes.
| Blur Pro Football Cleats (US) | Internal Cavity | Charged Surge Equivalent | Match Accuracy | Fit Difference |
|---|---|---|---|---|
| US 3.5 | 240 mm | US 4.5 | 88% | -1.0 mm |
| US 4 | 243 mm | US 5 | 88% | -1.0 mm |
| US 4.5 | 247 mm | US 5.5 | 76% | -2.0 mm |
| US 5 | 250 mm | US 6 | 88% | -1.0 mm |
| US 5.5 | 253 mm | US 6.5 | 88% | -1.0 mm |
| US 6 | 257 mm | US 7 | 76% | +2.0 mm |
| US 6.5 | 260 mm | US 7 | 88% | -1.0 mm |
| US 7 | 267 mm | US 8 | 76% | -2.0 mm |
| US 7.5 | 270 mm | US 8.5 | 88% | -1.0 mm |
| US 8 | 273 mm | US 9 | 88% | -1.0 mm |
| US 8.5 | 277 mm | US 9.5 | 76% | -2.0 mm |
| US 9 | 280 mm | US 10 | 88% | -1.0 mm |
| US 9.5 | 283 mm | US 10.5 | 88% | -1.0 mm |
| US 10 | 287 mm | US 11 | 76% | -2.0 mm |
| US 10.5 | 290 mm | US 11.5 | 88% | -1.0 mm |
| US 11 | 293 mm | US 12 | 88% | -1.0 mm |
| US 11.5 | 297 mm | US 12.5 | 76% | -2.0 mm |
| US 12 | 300 mm | US 13 | 88% | -1.0 mm |
| US 12.5 | 303 mm | US 14 | 76% | +2.0 mm |
| US 13 | 307 mm | US 14 | 76% | -2.0 mm |
| US 14 | 313 mm | US 14 | 5% | -8.0 mm |
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Frequently Asked Questions
How does the Blur Pro Football Cleats size compare to the Charged Surge?
The Charged Surge is about 8mm shorter than the Blur Pro Football Cleats. We suggest ordering 1 full size up in Charged Surge. The Blur Pro Football Cleats has an internal fit offset of 0mm compared to -8mm for the Charged Surge.
Do these shoes fit wide feet comfortably?
The Blur Pro Football Cleats has a standard medium width profile, while the Charged Surge is standard medium.