Question 1

What is 271.5 HRB in HV?

Accepted Answer

271.5 HRB = 488.7 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 488.7 HV in HRB?

Accepted Answer

488.7 HV = 271.5 HRB.

HRB	HV
256.5 HRB	461.7
261.5 HRB	470.7
266.5 HRB	479.7
271.5	488.7
276.5 HRB	497.7
281.5 HRB	506.7
286.5 HRB	515.7

271.5 HRB to HV

Formula (approximate)