Question 1

What is 12.5 HRB in HV?

Accepted Answer

12.5 HRB = 22.5 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 22.5 HV in HRB?

Accepted Answer

22.5 HV = 12.5 HRB.

HRB	HV
9.5 HRB	17.1
10.5 HRB	18.9
11.5 HRB	20.7
12.5	22.5
13.5 HRB	24.3
14.5 HRB	26.1
15.5 HRB	27.9

12.5 HRB to HV

Formula (approximate)