745.5 Mohs = 7.31 HRC
| Mohs | HRC |
|---|---|
| 730.5 Mohs | 7.16 |
| 735.5 Mohs | 7.21 |
| 740.5 Mohs | 7.26 |
| 745.5 | 7.31 |
| 750.5 Mohs | 7.36 |
| 755.5 Mohs | 7.41 |
| 760.5 Mohs | 7.46 |
745.5 Mohs = 7.31 HRC
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140