457.5 HRC = 4,666.5 HV
| HRC | HV |
|---|---|
| 442.5 HRC | 4,513.5 |
| 447.5 HRC | 4,564.5 |
| 452.5 HRC | 4,615.5 |
| 457.5 | 4,666.5 |
| 462.5 HRC | 4,717.5 |
| 467.5 HRC | 4,768.5 |
| 472.5 HRC | 4,819.5 |
457.5 HRC = 4,666.5 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