Question 1

What is 66.5 HV in HRC?

Accepted Answer

66.5 HV = 6.52 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 6.52 HRC in HV?

Accepted Answer

6.52 HRC = 66.5 HV.

HV	HRC
51.5 HV	5.05
56.5 HV	5.54
61.5 HV	6.03
66.5	6.52
71.5 HV	7.01
76.5 HV	7.5
81.5 HV	7.99

66.5 HV to HRC

Formula (approximate)