Machining calculators and reference tools for the decisions that matter. Clear results, useful diagrams, and the sources behind the numbers.
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Machining calculators and references, organized for the way you work.
Practical calculations, clearly presented.




Calculate limits, allowances, and clearances with a clear view of the dimensions and tolerances behind every result.




Calculate measurement over wires, select the appropriate wire size, and see the geometry behind the calculation.




Calculate essential gear dimensions and explore the geometry with clear diagrams and supporting calculations.
More than a calculated result. Explore the formulas, technical references, and geometry that support your work.
Established standards and published machining references.
Formulas and supporting values you can examine.
Diagrams that help connect the numbers to the part.
Practical machining tools and references, ready when you need them.
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