184.5 Mohs = 1.81 HRC
| Mohs | HRC |
|---|---|
| 169.5 Mohs | 1.66 |
| 174.5 Mohs | 1.71 |
| 179.5 Mohs | 1.76 |
| 184.5 | 1.81 |
| 189.5 Mohs | 1.86 |
| 194.5 Mohs | 1.91 |
| 199.5 Mohs | 1.96 |
184.5 Mohs = 1.81 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