204.5 Mohs = 2 HRC
| Mohs | HRC |
|---|---|
| 189.5 Mohs | 1.86 |
| 194.5 Mohs | 1.91 |
| 199.5 Mohs | 1.96 |
| 204.5 | 2 |
| 209.5 Mohs | 2.05 |
| 214.5 Mohs | 2.1 |
| 219.5 Mohs | 2.15 |
204.5 Mohs = 2 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