397.5 HRC = 4,054.5 HV
| HRC | HV |
|---|---|
| 382.5 HRC | 3,901.5 |
| 387.5 HRC | 3,952.5 |
| 392.5 HRC | 4,003.5 |
| 397.5 | 4,054.5 |
| 402.5 HRC | 4,105.5 |
| 407.5 HRC | 4,156.5 |
| 412.5 HRC | 4,207.5 |
397.5 HRC = 4,054.5 HV
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140