300.5 HV to HRC

300.5 HV = 29.46 HRC

HVHRC
285.5 HV27.99
290.5 HV28.48
295.5 HV28.97
300.529.46
305.5 HV29.95
310.5 HV30.44
315.5 HV30.93

300.5 HV = 29.46 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