Question 1

What is 78.5 HRB in HV?

Accepted Answer

78.5 HRB = 141.3 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 141.3 HV in HRB?

Accepted Answer

141.3 HV = 78.5 HRB.

HRB	HV
63.5 HRB	114.3
68.5 HRB	123.3
73.5 HRB	132.3
78.5	141.3
83.5 HRB	150.3
88.5 HRB	159.3
93.5 HRB	168.3

78.5 HRB to HV

Formula (approximate)