307.5 HV to HRC

307.5 HV = 30.15 HRC

HVHRC
292.5 HV28.68
297.5 HV29.17
302.5 HV29.66
307.530.15
312.5 HV30.64
317.5 HV31.13
322.5 HV31.62

307.5 HV = 30.15 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