Question 1

What is 65.5 HV in HRC?

Accepted Answer

65.5 HV = 6.42 HRC. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HV to HRC?

Accepted Answer

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. Multiply your HV value by the appropriate factor to get HRC, or use the interactive converter above.

Question 3

What is 6.42 HRC in HV?

Accepted Answer

6.42 HRC = 65.5 HV.

HV	HRC
50.5 HV	4.95
55.5 HV	5.44
60.5 HV	5.93
65.5	6.42
70.5 HV	6.91
75.5 HV	7.4
80.5 HV	7.89

65.5 HV to HRC

Formula (approximate)