# Engineer's Mate > Professional CNC & Machinist Calculator: Precision Speeds, Feeds & ISO Tables. Canonical page: [https://chrome-stats.com/d/com.mobile.engineersmate](https://chrome-stats.com/d/com.mobile.engineersmate) ## Overview - **ID:** `com.mobile.engineersmate` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** LocknLoud - **Category:** EDUCATION - **Downloads:** 30 - **Version:** 2.4 - **Last updated:** 2026-04-26 - **First published:** 2026-04-26 - **Publisher country:** GB - **Size:** 61 MB - **Data as of:** 2026-09-12 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.mobile.engineersmate) - **Privacy policy:** [https://engineersmateprivacypolicy.s3.eu-west-2.amazonaws.com/index.html](https://engineersmateprivacypolicy.s3.eu-west-2.amazonaws.com/index.html) ## Description Engineer's Mate: Professional CNC & Machinist Calculator
Stop flipping through handbooks and searching for "the black book." Engineer's Mate provides instant, shop-floor-ready data for CNC programmers, toolmakers, and mechanical engineers. Get precise calculations for every setup, from Speeds & Feeds to ISO Tolerances, directly on your device.
WHY CHOOSE ENGINEER'S MATE?
Manual handbooks are bulky and slow. Engineer's Mate puts a comprehensive engineering reference in your pocket. Whether you need to look up metric tap drill charts, solve complex shop trigonometry, or verify H7/g6 fits in seconds, this is the essential tool for precision manufacturing.
CORE MACHINING & ENGINEERING TOOLS:
● Speeds & Feeds Calculator: Optimize cutting parameters for milling and turning. Get reliable guidelines for various materials, from Aluminium to Stainless Steel.
● Thread & Tap Reference: Access complete tap drill size charts for metric and imperial threads. Find the correct drill bit for any tapping job instantly.
● ISO Fits & Tolerances: Eliminate guesswork. Quickly determine clearance, transition, or interference fits using a professional tolerances calculator based on ISO standards.
● Precision Shop Geometry: Powerful helpers for jig boring and layout, including bolt circle patterns, arc radius (chord/sagitta), and sine bar calculations.
● Trigonometry Solver: Specialised right-triangle trig tools to calculate angles, offsets, and geometry for complex CNC setups.
● Unit Converter & Material Data: Seamlessly convert between Metric and Imperial. Reference thermal expansion rates and torque basics for secure assemblies.
BUILT FOR YOUR WORKFLOW:
Engineer's Mate is designed for the hands-on professional. It reduces the need for manual math, helping you reduce scrap and make faster decisions at the machine.
• CNC Programmers: G-code-ready data for milling, turning, and drilling.
• Manual Machinists & Toolmakers: Fast layout and setup with precision math.
• Mechanical Engineers: Reliable verification of design tolerances and fits.
• Students & Apprentices: Master the essentials of precision machining with a clear, professional interface.
Download Engineer's Mate today and put a professional-grade machinist reference in your pocket. ## Rankings - #2,450,305 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.mobile.engineersmate.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [MachineMate Engineering](https://chrome-stats.com/d/com.axiomill.app) — 5 users - [MechTools - Engineering tool](https://chrome-stats.com/d/com.techsiter.mechtools) — 1,178 users - [CNC Machinist Calculator Pro](https://chrome-stats.com/d/com.pluckedstudios.machcalcpro) — 18,482 users, 4.72 / 5 - [Machining Calculator](https://chrome-stats.com/d/com.waqazystudios.machiningcalculator) — 11,022 users - [CNC Material & Calculator](https://chrome-stats.com/d/com.cncpro.cnc_machinist_handbook) — 162 users - [CNC Tools](https://chrome-stats.com/d/in.softecks.cnctools) — 2,976 users - [ShopCalc: Machinist Calculator](https://chrome-stats.com/d/company.doublevision.shopcalcpro) — 44 users - [CNC Speeds & Feeds Calculator](https://chrome-stats.com/d/com.asil.cnchesap) — 1,423 users - [CNC Pro Tools: Machining Calc](https://chrome-stats.com/d/com.joellpaim.cncprotools) — 12 users - [Mr. Machinist: CNC & Shop Math](https://chrome-stats.com/d/com.aerospaceqasolutions.mr_machinist) — 14 users - [Machinist Calculator](https://chrome-stats.com/d/com.kevind.machinistcalculator) — 1,424 users - [Machinist Nexus: Calculators](https://chrome-stats.com/d/com.machinist.toolbox) — 78 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.mobile.engineersmate)