Question 1

What is 76.5 HRB in HV?

Accepted Answer

76.5 HRB = 137.7 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 137.7 HV in HRB?

Accepted Answer

137.7 HV = 76.5 HRB.

HRB	HV
61.5 HRB	110.7
66.5 HRB	119.7
71.5 HRB	128.7
76.5	137.7
81.5 HRB	146.7
86.5 HRB	155.7
91.5 HRB	164.7

76.5 HRB to HV

Formula (approximate)