191.5 HV to HRC

191.5 HV = 18.77 HRC

HVHRC
176.5 HV17.3
181.5 HV17.79
186.5 HV18.28
191.518.77
196.5 HV19.26
201.5 HV19.75
206.5 HV20.25

191.5 HV = 18.77 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