Question 1

What is 45.5 HRB in HV?

Accepted Answer

45.5 HRB = 81.9 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 81.9 HV in HRB?

Accepted Answer

81.9 HV = 45.5 HRB.

HRB	HV
39.5 HRB	71.1
41.5 HRB	74.7
43.5 HRB	78.3
45.5	81.9
47.5 HRB	85.5
49.5 HRB	89.1
51.5 HRB	92.7

45.5 HRB to HV

Formula (approximate)