312.5 HRC = 3,187.5 HV
| HRC | HV |
|---|---|
| 297.5 HRC | 3,034.5 |
| 302.5 HRC | 3,085.5 |
| 307.5 HRC | 3,136.5 |
| 312.5 | 3,187.5 |
| 317.5 HRC | 3,238.5 |
| 322.5 HRC | 3,289.5 |
| 327.5 HRC | 3,340.5 |
312.5 HRC = 3,187.5 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