Hardness number Conversion Calculator

Enter value, select the conversion and click on calculate. Result will be displayed. (Above conversions are for Austenitic Stainless Steels and formulas as per ASTM E140)

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Hardness Number:

    

Converted Value:

Enter your values:

Hardness Number:

    

Converted Value:

Enter your values:

Hardness Number:

    

Converted Value:

Converting between different hardness scales can be a bit tricky because each scale measures hardness in different ways. However, here’s a quick overview of how hardness can be converted between the most common scales: Brinell (HB), Rockwell (HR), Vickers (HV), and Knoop (HK).