
About
This app provides essential lathe calculations for machinists, CNC programmers, and manufacturing technicians. It simplifies tasks like thread dimensions, tolerances, cutting speeds, and feed rates, helping users save time and improve accuracy.
What's New in LatheCalcPro
1.0.5
November 4, 2026
• Added feed conversion and theoretical Ra roughness calculations, with results transferable to feed conversion. • Improved localized text and mode switching. • Fixed page titles not updating after a language change.
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FAQ
What are the main features of LatheCalcPro?
LatheCalcPro calculates tangency coordinates, thread dimensions, ISO tolerances, cutting speeds, taper geometry, and surface roughness. It supports metric and imperial units and includes calculation history.
What kind of threads does LatheCalcPro support?
LatheCalcPro supports common dimensions and parameters for both metric and Unified threads, aiding in precise calculations for various threading applications.
Does LatheCalcPro help with calculating machining speeds and feeds?
Yes, LatheCalcPro assists with cutting speed, spindle speed, and feed rate conversions, helping users determine optimal machining parameters.
Can LatheCalcPro estimate surface roughness?
LatheCalcPro can estimate theoretical Ra surface roughness based on tool nose radius and feed per revolution, providing valuable input for machining decisions.
What units of measurement does LatheCalcPro support?
LatheCalcPro supports both metric and imperial units, making it versatile for machinists working with different measurement systems.
How often is LatheCalcPro updated?
The latest version, 1.0.5, was released on 2026-11-04. While specific update frequency isn't detailed, it has received updates since its release on 2026-09-02.
Is LatheCalcPro available on Android devices?
Currently, LatheCalcPro is listed as supported on iPhone devices only. Compatibility with other platforms like Android is not specified in the provided data.
What is the user rating for LatheCalcPro?
LatheCalcPro has an excellent rating of 5.0 stars from 1 review, indicating a highly positive user experience based on available feedback.






