About Machining Calculator
Engineering Machining Calculator is a fast, accurate and easy‑to‑use tool designed for machinists, CNC operators, engineers and anyone working with milling or turning operations. Whether you’re on the shop floor,...
Engineering Machining Calculator is a fast, accurate and easy‑to‑use tool designed for machinists, CNC operators, engineers and anyone working with milling or turning operations. Whether you’re on the shop floor, programming a CNC job, or checking speeds and feeds on the go, this app gives you reliable machining calculations instantly — even when offline.
Every calculation you perform is automatically saved in the History tab, allowing you to quickly revisit previous jobs, compare values, or repeat calculations without re‑entering data. This makes the app ideal for both quick checks and repeated daily use in a production environment.
⭐ What this app can calculate
The Engineering Machining Calculator includes a wide range of essential machining formulas used in both manual and CNC machining:
Cutting Speed (Vc)
Spindle Speed (RPM)
Metal Removal Rate (MRR)
Power Requirement
Torque
Table Feed (mm/min or in/min)
Feed per Tooth (fz)
Feed per Revolution (fn)
Time in Cut
Chip Load
Surface Speed
Depth of Cut & Width of Cut effects
+ Many more machining parameters
These calculations support a variety of machining processes including milling, turning, drilling and tapping.
⭐ Why machinists and engineers use this app
Fast and accurate: Get the correct speeds and feeds in seconds.
Offline support: Works anywhere — no internet required.
History tracking: Automatically saves all calculations for future reference.
Simple interface: Clean, intuitive layout designed for real‑world workshop use.
Reliable formulas: Based on standard machining principles used across the industry.
Ideal for CNC programming: Quickly check values before sending code to the machine.
Perfect for training and apprentices: Helps new machinists understand machining fundamentals.
⭐ Who this app is for
CNC machinists
Manual machinists
CNC programmers
Mechanical engineers
Manufacturing engineers
Toolmakers
Apprentices and students
Anyone needing quick machining calculations
Whether you’re working with aluminium, steel, stainless, titanium or plastics, this calculator helps you determine the correct parameters to improve tool life, reduce cycle time and achieve better machining performance.
⭐ Designed for real workshop use
This app is built to be practical, fast and dependable. No unnecessary menus, no complicated setup — just the calculations you need, when you need them. It’s perfect for:
Checking speeds & feeds before machining
Verifying CNC program parameters
Reducing tool wear
Improving surface finish
Estimating machining time
Planning jobs more efficiently
⭐ Updated for modern Android devices
The app has been refreshed and optimised for the latest Android versions, ensuring smooth performance, improved compatibility and a cleaner user experience.
If you work in machining, CNC, engineering or manufacturing, this calculator is an essential tool to keep in your pocket.
Previous Versions
Here you can find the changelog of Machining Calculator since it was posted on our website on 2023-07-03 19:13:10.
The latest version is and it was updated on 2026-10-12 18:36:32. See below the changes in each version.
Machining Calculator version
Updated At: 2026-08-07
Machining Calculator version
Updated At: 2026-06-23
Changes: Improved performance and stability
Machining Calculator version 1.0
Updated At: 2021-03-30
Changes: Launch
Disclaimer
Official Google Play Link
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