Physics

Vickers Hardness Number Calculator

Find the Vickers hardness number (HV).

Calculated Output

Vickers hardness (HV) 74.176

Formula: HV = 1.8544·F ÷ d²

Step-by-Step Breakdown

1. Values used:

2. Applied load = 10 kgf

3. Indentation diagonal = 0.5

5. Vickers hardness = 74.176HV

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The math behind it

HV = 1.8544·F ÷ d², where d is the average diagonal of the square indentation.

10 kgf, 0.5 mm diagonal → about 74 HV.

Why a diamond indenter?

Diamond is harder than any test material, giving consistent results.