353.5 Mohs = 3.47 HRC
| Mohs | HRC |
|---|---|
| 338.5 Mohs | 3.32 |
| 343.5 Mohs | 3.37 |
| 348.5 Mohs | 3.42 |
| 353.5 | 3.47 |
| 358.5 Mohs | 3.51 |
| 363.5 Mohs | 3.56 |
| 368.5 Mohs | 3.61 |
353.5 Mohs = 3.47 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