142.5 Mohs = 1.4 HRC
| Mohs | HRC |
|---|---|
| 127.5 Mohs | 1.25 |
| 132.5 Mohs | 1.3 |
| 137.5 Mohs | 1.35 |
| 142.5 | 1.4 |
| 147.5 Mohs | 1.45 |
| 152.5 Mohs | 1.5 |
| 157.5 Mohs | 1.54 |
142.5 Mohs = 1.4 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