228.5 Mohs = 2.24 HRC
| Mohs | HRC |
|---|---|
| 213.5 Mohs | 2.09 |
| 218.5 Mohs | 2.14 |
| 223.5 Mohs | 2.19 |
| 228.5 | 2.24 |
| 233.5 Mohs | 2.29 |
| 238.5 Mohs | 2.34 |
| 243.5 Mohs | 2.39 |
228.5 Mohs = 2.24 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