691.5 HRC = 7,053.3 HV
| HRC | HV |
|---|---|
| 676.5 HRC | 6,900.3 |
| 681.5 HRC | 6,951.3 |
| 686.5 HRC | 7,002.3 |
| 691.5 | 7,053.3 |
| 696.5 HRC | 7,104.3 |
| 701.5 HRC | 7,155.3 |
| 706.5 HRC | 7,206.3 |
691.5 HRC = 7,053.3 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