iMachinist

3.4
76 reviews
10K+
Downloads
Content rating
Everyone
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About this app

iMachinist is a simple to use CNC calculator app that calculates for you the cuttings speed, RPM, feed rate and more for your milling, drilling and turning operations.

iMachinist also includes a database for Hole and Shaft Tolerances and different Threads.

Threads Data:

- Outer Diameter (max/min)
- Pitch Diameter (max/min)
- Core Diameter (max/min)
- Thread Height (max/min)

Tolerance Data:

- Zone (Shaft/Hole)
- Grade (Shaft/Hole)
- Diameter (Shaft/Hole)

Cutting Calculator:

- Tool Diameter
- Cutting Speed
- Spindle Speed
- Number of Teeth
- Feed per Tooth
- Feed Rate



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Updated on
Jul 25, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

3.4
75 reviews
A Google user
December 3, 2019
A very helpful tool that has saved me a lot of time. Easy to use, quick to load, takes up little space. Saves you from being confused with inaccurate tables and diagrams
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A Google user
April 14, 2019
Seems to be in mm only. Many of my end mills are in inches. Don't really want to covert then enter.
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wwwSAGITALnet
April 14, 2019
hi, again. i am working on the inch/mm option and i wanted to ask you when exactly do you need the inch option? when you calculate RPM? FEED? etc. when you enter the mill DIAMETER? please give me more info so i can add this feature. also what about threads and tolerance? should they also be translated to inch? please reply to info@sagital.net
A Google user
April 4, 2019
very nice. would suggest adding surface roughnes guide and drawing symbols guide
1 person found this review helpful
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wwwSAGITALnet
April 4, 2019
Thanks, i may add it on a later update :)