777.5 Mohs = 7.62 HRC
| Mohs | HRC |
|---|---|
| 762.5 Mohs | 7.48 |
| 767.5 Mohs | 7.52 |
| 772.5 Mohs | 7.57 |
| 777.5 Mohs | 7.62 |
| 782.5 Mohs | 7.67 |
| 787.5 Mohs | 7.72 |
| 792.5 Mohs | 7.77 |
777.5 Mohs = 7.62 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