Rct
Awesome calculator, just wish there was a way to get the new calculator with updated features or even update the physical calculator. Please add Rct to the app please or a workaround. Thank you

This app provides comprehensive speed and feed calculations for various machining processes including milling, turning, drilling, and boring. It includes material and tool settings, drill and thread chart look-ups, and right triangle solutions.
10.2.3
July 13, 2026
Maintenance updates.
Machinist Calc Pro 2 supports face milling, end milling, slot milling, turning, boring, and drilling. It calculates speeds and feeds for these processes, considering material, tool, and cut depth/width.
The app allows you to choose from 20 popular materials and select tool types such as High Speed, Carbide, and High Performance. This ensures accurate calculations tailored to your specific setup.
Yes, it features built-in drill and thread size tables for quick look-ups. You can enter numeric, fractional, or metric thread and drill sizes to find tap, roll tap, and drill sizes, along with pitch and diameters.
Absolutely. You can enter the start angle, number of bolts, and diameter to calculate the x and y coordinates for bolt pattern layouts. It also finds center-to-center spacing.
Machinist Calc Pro 2 is a paid application priced at $29.99. This is a one-time purchase for the app.
No, Machinist Calc Pro 2 is currently only available for iOS devices, including iPhone and iPad. A license purchased on iOS is not transferable to non-iOS devices.
The latest version, 10.2.1, was released on June 20, 2019. While the app has not been updated recently, it offers a comprehensive set of features for machinists.
No, Machinist Calc Pro 2 does not contain advertisements. It is a paid application designed for professional use without interruptions.