CNC Machinist Calculator Pro vVARY
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About this app
We're working to become the best machining app on the market! www.cncdirt.com
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
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
Version Information
- Version
- -
- Downloads
- 10K+
- Updated on
- Oct 28, 2025
- Released
- Jul 26, 2015
- Requires
- Android Varies with device
What's New
Bug fixes
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