Question 1

What is 266.5 HRB in HV?

Accepted Answer

266.5 HRB = 479.7 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 479.7 HV in HRB?

Accepted Answer

479.7 HV = 266.5 HRB.

HRB	HV
251.5 HRB	452.7
256.5 HRB	461.7
261.5 HRB	470.7
266.5	479.7
271.5 HRB	488.7
276.5 HRB	497.7
281.5 HRB	506.7

266.5 HRB to HV

Formula (approximate)