219.5 Mohs = 2.15 HRC
| Mohs | HRC |
|---|---|
| 204.5 Mohs | 2 |
| 209.5 Mohs | 2.05 |
| 214.5 Mohs | 2.1 |
| 219.5 | 2.15 |
| 224.5 Mohs | 2.2 |
| 229.5 Mohs | 2.25 |
| 234.5 Mohs | 2.3 |
219.5 Mohs = 2.15 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