603.5 Mohs = 5.92 HRC
| Mohs | HRC |
|---|---|
| 588.5 Mohs | 5.77 |
| 593.5 Mohs | 5.82 |
| 598.5 Mohs | 5.87 |
| 603.5 | 5.92 |
| 608.5 Mohs | 5.97 |
| 613.5 Mohs | 6.01 |
| 618.5 Mohs | 6.06 |
603.5 Mohs = 5.92 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