Question 1

What is 67.5 HRB in HV?

Accepted Answer

67.5 HRB = 121.5 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 121.5 HV in HRB?

Accepted Answer

121.5 HV = 67.5 HRB.

HRB	HV
52.5 HRB	94.5
57.5 HRB	103.5
62.5 HRB	112.5
67.5	121.5
72.5 HRB	130.5
77.5 HRB	139.5
82.5 HRB	148.5

67.5 HRB to HV

Formula (approximate)