• Pocket Machinist 1
  • Pocket Machinist 2
  • Pocket Machinist 3
  • Pocket Machinist 4

Pocket Machinist

Pocket Machinist is a series of simple calculators that are designed to be used while working on the shop floor. The available calculators are:

- Lathe calculator
- Milling calculator
- Drill calculator
- Tap drill calculator
- Unified Threads calculator

Features supported by the calculators:


- The calculators can also include high feed machining depending on the basic geometry of the tools.
- Numbered and letter drills and numbered taps are supported.
- Works in both standard and metric units.
- Each entry supports a basic math engine, so values like "1 1/4
* (65/100)" are possible.

More calculators and features will be added as work continues to version 1.0. The early release is to receive your input about the application and to find and fix any bugs while it's still in it's early stages. This is to ensure a solid application as it matures.

Category : Productivity

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Reviews (4)

She. F. S. Jul 14, 2020     

Any machinist, or even handyman needs a copy of this program. This program needs a day at the beauty salon. I did not verify its calculations, but have no reason to doubt they are [mostly] correct. The "official" reference as everyone knows, is The Machinist Handbook. I bought mine about 2 decades ago. If you find reading it captivating(I did), you are the worst of nerds. But, for everyday use, just ticki-tick the numbers and a solution materializes. What a joy. Homely but joyful.

Nic. V. Aug 28, 2017     

Very useful. Only initial negative is that the input boxes are not number fields so I have to switch my keyboard to numbers for every single box. It gets annoying quickly. I assume this is for being able to write fractions, but it's still very annoying.

Jac. R. Dec 9, 2017     

The screen cuts off after milling on the main menu... not sure if it's my fault but, it works better than most calculators I've tried.

Raz. B. Aug 3, 2017     

Its a complete supper easy to use..