Question 1

What is 66.5 HRC in HV?

Accepted Answer

66.5 HRC = 678.3 HV. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HRC to HV?

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

Question 3

What is 678.3 HV in HRC?

Accepted Answer

678.3 HV = 66.5 HRC.

HRC	HV
51.5 HRC	525.3
56.5 HRC	576.3
61.5 HRC	627.3
66.5	678.3
71.5 HRC	729.3
76.5 HRC	780.3
81.5 HRC	831.3

66.5 HRC to HV

Formula (approximate)