CNC Machinist Calculator Pro
CNC Machinist Calculator Pro

CNC Machinist Calculator Pro

Machinist Apps

4.8
706 reviews
10,000+
Productivity

✓ Free Download • ✓ Safe & Secure • ✓ No Registration

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About this app

Don't Leave "G28U0W0" Without it! CNC Machinist Calculator Pro is a machining calculator designed for manufacturing engineers, machinists, CNC operators, tool & die makers, and at home hobbyists. CNC Machinist Calculator Pro is great for CNC programmers or machine operators who need to make quick calculations on the fly. It's also a great tool for quoting new work. Visit www.cncdirt.com for more info ⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙⚙ This CNC machining calculator app includes the following features: 1. Turning Calculators for lathe operators *Cutting Speed Calculation by Material *Grooving/Cut off cycle time Calculation *Rough turn cycle time Calculation *Cutting Speed Calculations *Cutting speed to RPM conversions *Feed per rev - Feed per minute conversions 2. Milling Calculators for mill operators *Cutting Speed & Feed Calculation by Material *RPM to Cutting Speed Conversions *Feed per Minute - Feed per tooth Conversions *Radial Chip Thinning Calculation *Metal Removal rate Calculation *Milling cut time Calculation *Circle Milling Calculations - Both inner & outer *Ball Mill Cusp Height Calculation *Ball Mill Effective diameter/Chip Thinning Calculator *Thread Milling Calculations - Both inner & outer 3. Drilling Calculators *Cutting Speed Calculation by material *Cycle time calculation *Drill point Length calculation 4. Gun drilling Calculators *Cutting Speed Calculation by material *Cycle time calculation 5. Thread Calculators 6. True Position Calculators 7. Bolt Pattern Calculators 8. Surface Finish Calculators 9. Drill & Tap charts 10. Thread data for the following threads: * 60° Threads (Pitch Ø, Minor Ø, Major Ø, Helix, Lead, etc.) * NPT Threads * Acme Threads * STI Threads 11. Thread over 3 wire info (Size limits, min, max, & best wire) 12. Center drill dimensions 13. Unit converter 14. Hardness conversions 15. G-codes 16. M-codes 17. Blue Print Geometric Tolerance Descriptors - GD&T 18. SFM calculator for drilling, milling, & turning over 170 materials 19. Tap Drill Calculator for roll form & cut taps 20. Various Geometric calculators 21. Triangle Solver 22. CNC keyway calculator 23. Custom macro variables, logic, arguments, & arithmetic data 24. Machinist Forum 25. Export G-code for internal & external chamfers, tapers, & radii with tool nose comp. 26. Circle segment calculator ( arc calculator ) 27. National Pipe Thread data - NPT threads 28. Material Property Search with machinability info 29. Material Weight Calculator for over 170 materials & 10 shapes 30. Tool Wear section with images helpful info to improve tool life 31. Machinist Test with 6 categories to test your strengths & weaknesses 32. Socket Head Cap Screw hole dimensions 33. Scientific Calculator which includes: * sine (sin) * cosine (cos) * tangent (tan) * arcsine (sin-1) * arccosine (cos-1) * arctangent (tan-1) * square (x²) * cube (x³) * pi (π) * square root (√) * base 10 logarithm (log) * exponential function (ex) * natural logarithm (In). 34. Linear Thermal Expansion Calculator 35. Grinding Calculations * Plunge Grind - Q Prime, grit penetration & aggressiveness * Surface Grind - Q Prime, grit penetration & aggressiveness * Grinding Wheel Velocity * Work piece Velocity * Work piece RPM to wheel RPM ratio cylindricity error calculator * Wheel Mesh (Grit) size conversion * Equivalent wheel diameter 36. More to come... We're quickly becoming the best engineering calculator on the market Check us out at www.cncdirt.com

What's New

Latest version VARY with bug fixes and performance improvements

Enhanced security and stability

Optimized for better user experience

Kullanıcı Yorumları

10 yorum
A Google user

A Google user

6 yıl önce

As of now, I'm still a greenhorn when it comes to machining. So my knowledge of how to set tools at the right speeds is lack luxture, but this app has been a great help in learning as well as not breaking tooling with incorrect speeds and feeds. I also use to find the correct drill sizes for taps which is always a bit difficult without a proper chart.

21 kişi faydalı buldu
Geliştirici Yanıtı6 yıl önce

Thanks Alex!

A Google user

A Google user

6 yıl önce

Generally very good. The material catalogue exclusively uses number designations, which is fine if you know the provenance of what you're working on, but a more verbose listing would be great in the case of home workshop 'mystery meat' materials. Other than that, it's an excellent app that does everything I've asked of it and loads that I haven't yet.

10 kişi faydalı buldu
A Google user

A Google user

6 yıl önce

Awesome app, everything in my machinists handbook and more and sooo much easier to find everything, really well laid out. love the calculator design and all the help tips that pop up when you're looking for something. awesome amount of thread data, really useful when you're doing uncommon thread tolerances, only had a couple of 7hs that weren't listed, but they were a pain in the ass to find online too. I would recomend this app to anyone working in a jobshop or just starting out as a machinist

6 kişi faydalı buldu
Geliştirici Yanıtı6 yıl önce

Thank you Luke!

Developer

M
Machinist Apps
Verified Developer

Trusted developer with verified applications on our platform.

App Information

Version
VARY
Size
Unknown
Android
Varies with device+
Rating
Everyone
Updated
10/29/2025

Download Stats

Total Downloads
3
Average Rating
4.8

Safe Download

This app has been verified and is safe to download. No malware detected.