Speed Trainer Size Chart
Women's Size Conversion
| US | EU | Foot Length | |
| CM | INCH | ||
| 6 | 35 | 22 | 8.64" |
| 6.5 | 36 | 22.6 | 8.91" |
| 7 | 37 | 23.3 | 9.17" |
| 8 | 38 | 24 | 9.45" |
| 8.5 | 39 | 24.6 | 9.68" |
| 9 | 39.5 | 24.9 | 9.8" |
| 9.5 | 40 | 25.3 | 9.96" |
| 10 | 41 | 26 | 10.23" |
| 10.5 | 41.5 | 26.3 | 10.35" |
| 11 | 42 | 26.6 | 10.47" |
| 11.5 | 43 | 27.3 | 10.74" |
| 12 | 44 | 28 | 11.02" |
Men's Size Conversion
| US | EU | Foot Length | |
| CM | INCH | ||
| 7 | 39 | 24.6 | 9.68" |
| 7.5 | 39.5 | 24.9 | 9.8" |
| 8 | 40 | 25.3 | 9.96" |
| 8.5 | 41 | 26 | 10.23" |
| 9 | 41.5 | 26.3 | 10.35" |
| 9.5 | 42 | 26.6 | 10.47" |
| 10 | 43 | 27.3 | 10.74" |
| 11 | 44 | 28 | 11.02" |
| 12 | 45 | 28.6 | 11.26" |
| 12.5 | 46 | 29.3 | 11.53" |
| 13 | 47 | 29.9 | 11.77" |
| 14 | 48 | 30.6 | 12" |
| 15 | 49 | 31.2 | 12.28" |