Brinell to Rockwell Hardness Conversion Scale

Hardness Conversions
This is a helpful conversion tool for our customers to use. We have also included many PDF charts below that are available for download as well.

Metric Conversions Table

In addition to the table found on this page, we offer working Millimeters to Inches calculators that can give very accurate conversions.

Downloadable PDF Conversion Charts

Rockwell Conversions
Gauge and Weight Chart
Metric Conversions
Material Descriptions
Standard Tap Drill Sizes
Solutions of Right Triangles
Geometric Dimensioning Symbols
Hardness Comparison Chart