Question 1

What is 6.5 HRB in HV?

Accepted Answer

6.5 HRB = 11.7 HV. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HRB 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 HRB value by the appropriate factor to get HV, or use the interactive converter above.

Question 3

What is 11.7 HV in HRB?

Accepted Answer

11.7 HV = 6.5 HRB.

HRB	HV
3.5 HRB	6.3
4.5 HRB	8.1
5.5 HRB	9.9
6.5	11.7
7.5 HRB	13.5
8.5 HRB	15.3
9.5 HRB	17.1

6.5 HRB to HV

Formula (approximate)