305.5 HV to HRC

305.5 HV = 29.95 HRC

HVHRC
290.5 HV28.48
295.5 HV28.97
300.5 HV29.46
305.529.95
310.5 HV30.44
315.5 HV30.93
320.5 HV31.42

305.5 HV = 29.95 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