237.5 HRB to HV

237.5 HRB = 427.5 HV

HRBHV
222.5 HRB400.5
227.5 HRB409.5
232.5 HRB418.5
237.5427.5
242.5 HRB436.5
247.5 HRB445.5
252.5 HRB454.5

237.5 HRB = 427.5 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