What does this tool calculate?
Estimate conversions among Rockwell B, Rockwell C, Brinell, and Vickers hardness scales.
Hardness Conversion Calculator
Estimate conversions among Rockwell B, Rockwell C, Brinell, and Vickers hardness scales.
Enter conversion details
Complete the fields below, then select Calculate.
About this converter
How to use Hardness Conversion Calculator, plus the formulas and logic behind the results.
Tool description
Estimate conversions among Rockwell B, Rockwell C, Brinell, and Vickers hardness scales. It provides an immediate educational result using the definitions shown below.
How to use
- Enter the value or text you want to convert.
- Choose the applicable units, direction, or mode.
- Select Calculate to produce the result.
- Review the formula and note before using the result.
Formulas & reference
Approximate HV = (HRC + 15) × 10Approximate HV = HRB × 2; HV ≈ 1.05 × HB
Calculation logic
Each scale is approximately mapped through Vickers hardness using simple educational relationships.
Hardness conversion is material- and range-dependent. Do not use this approximation for specifications or acceptance testing.
Hardness Conversion Calculator FAQ
Common questions about this conversion and how to interpret the result.
How do I use this calculator?
Complete the input fields, choose the required options, and select Calculate.
Which formula is used?
Approximate HV = (HRC + 15) × 10
Are results rounded?
Calculations use full floating-point precision; displayed values are formatted for readability.
Can I enter decimal values?
Yes. Numeric fields accept decimal values unless a field specifically represents text.
Is the result authoritative?
No. It is an educational estimate; verify critical engineering, billing, health, or safety work independently.