739.5 Mohs = 7.25 HRC
| Mohs | HRC |
|---|---|
| 724.5 Mohs | 7.1 |
| 729.5 Mohs | 7.15 |
| 734.5 Mohs | 7.2 |
| 739.5 | 7.25 |
| 744.5 Mohs | 7.3 |
| 749.5 Mohs | 7.35 |
| 754.5 Mohs | 7.4 |
739.5 Mohs = 7.25 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