345.5 HRC = 3,524.1 HV
| HRC | HV |
|---|---|
| 330.5 HRC | 3,371.1 |
| 335.5 HRC | 3,422.1 |
| 340.5 HRC | 3,473.1 |
| 345.5 | 3,524.1 |
| 350.5 HRC | 3,575.1 |
| 355.5 HRC | 3,626.1 |
| 360.5 HRC | 3,677.1 |
345.5 HRC = 3,524.1 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