658.5 HRC = 6,716.7 HV
| HRC | HV |
|---|---|
| 643.5 HRC | 6,563.7 |
| 648.5 HRC | 6,614.7 |
| 653.5 HRC | 6,665.7 |
| 658.5 | 6,716.7 |
| 663.5 HRC | 6,767.7 |
| 668.5 HRC | 6,818.7 |
| 673.5 HRC | 6,869.7 |
658.5 HRC = 6,716.7 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