390.5 HV to HRC

390.5 HV = 38.28 HRC

HVHRC
375.5 HV36.81
380.5 HV37.3
385.5 HV37.79
390.538.28
395.5 HV38.77
400.5 HV39.26
405.5 HV39.75

390.5 HV = 38.28 HRC

Formula (approximate)

1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140