153.5 HRB to HV

153.5 HRB = 276.3 HV

HRBHV
138.5 HRB249.3
143.5 HRB258.3
148.5 HRB267.3
153.5276.3
158.5 HRB285.3
163.5 HRB294.3
168.5 HRB303.3

153.5 HRB = 276.3 HV

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