766.5 Mohs = 7.51 HRC
| Mohs | HRC |
|---|---|
| 751.5 Mohs | 7.37 |
| 756.5 Mohs | 7.42 |
| 761.5 Mohs | 7.47 |
| 766.5 Mohs | 7.51 |
| 771.5 Mohs | 7.56 |
| 776.5 Mohs | 7.61 |
| 781.5 Mohs | 7.66 |
766.5 Mohs = 7.51 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