273.5 HRB to HV

273.5 HRB = 492.3 HV

HRBHV
258.5 HRB465.3
263.5 HRB474.3
268.5 HRB483.3
273.5492.3
278.5 HRB501.3
283.5 HRB510.3
288.5 HRB519.3

273.5 HRB = 492.3 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