347.5 HRC = 3,544.5 HV
| HRC | HV |
|---|---|
| 332.5 HRC | 3,391.5 |
| 337.5 HRC | 3,442.5 |
| 342.5 HRC | 3,493.5 |
| 347.5 | 3,544.5 |
| 352.5 HRC | 3,595.5 |
| 357.5 HRC | 3,646.5 |
| 362.5 HRC | 3,697.5 |
347.5 HRC = 3,544.5 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