318.5 HRC = 3,248.7 HV
| HRC | HV |
|---|---|
| 303.5 HRC | 3,095.7 |
| 308.5 HRC | 3,146.7 |
| 313.5 HRC | 3,197.7 |
| 318.5 | 3,248.7 |
| 323.5 HRC | 3,299.7 |
| 328.5 HRC | 3,350.7 |
| 333.5 HRC | 3,401.7 |
318.5 HRC = 3,248.7 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