Question 1

What is 278.5 HRB in HV?

Accepted Answer

278.5 HRB = 501.3 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 501.3 HV in HRB?

Accepted Answer

501.3 HV = 278.5 HRB.

HRB	HV
263.5 HRB	474.3
268.5 HRB	483.3
273.5 HRB	492.3
278.5	501.3
283.5 HRB	510.3
288.5 HRB	519.3
293.5 HRB	528.3

278.5 HRB to HV

Formula (approximate)