# Feed Rate Calculator Lite

> Machinist tool for calculating feed rates and speeds. (iPhone/iPad app by ITAMCO.)

- Source: https://appshunter.io/ios/app/feed-rate-calculator-lite/id583892954 (this page in markdown: same URL + `.md`)
- Developer: [ITAMCO](https://appshunter.io/developer/374298152)
- Category: Utilities, Productivity
- Price: Free
- Rating: 2.90/5 from 10 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 9 MB
- Languages: American English
- Released: 2012-12-08
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/feed-rate-calculator-lite/id583892954/reviews.md

## What is Feed Rate Calculator Lite?

Feed Rate Calculator is a simple app for calculating feed rates and speeds for machinist. Intended for reference use only. For no ads, purchase full version.


Features: 

-SFM (Surface Feet per Minute) 
-RPM (Revolutions per Minute) 
-IPM (Inches Per Minute) 
-FPT (Feed Per Tooth) 
-FPR or IPR (Feed Per Revolution or Inches Per Revolution) 


This app was developed by ITAMCO, please visit http://www.itamco.com for more information. 


Planned Updates: 

Interpolation Calculations, Bolt Hole Circles, G and M Code Generator, Visual Graphing.

## Key features

- SFM calculation
- RPM calculation
- IPM calculation
- FPT calculation
- FPR/IPR calculation

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/feed-rate-calculator-lite/id583892954/reviews.md

### 3/5 — Cannot close keyboard

*2020-09-02, version 1.0.1*

Seems like a useful app but cannot close keyboard. Like the other reviewers, you have to kill and restart app to switch modes.

### 2/5 — Keyboard bugged

*2019-06-27, version 1.0.1*

I’m having the same issues as others, keyboard will not close to swap menu items.  Used to use this all the time now I can’t stand it bug issue.

### 2/5 — Program is simple and good but...

*2018-11-01, version 1.0.1*

Can not close keyboard after calculation. I have to close and reset program to switch to different calculation

### 1/5 — Doesn’t work with iPhone 5S

*2017-11-29, version 1.0.1*

Disappointing. This simple app used to work fine, now it doesn’t work on my iPhone 5s.

## Frequently asked questions about Feed Rate Calculator Lite

### What calculations does Feed Rate Calculator Lite offer?

Feed Rate Calculator Lite provides calculations for SFM (Surface Feet per Minute), RPM (Revolutions per Minute), IPM (Inches per Minute), FPT (Feed Per Tooth), and FPR or IPR (Feed Per Revolution or Inches Per Revolution).

### Is Feed Rate Calculator Lite free to use?

Yes, Feed Rate Calculator Lite is available for free. The developer offers a full version for users who prefer an ad-free experience.

### What devices is Feed Rate Calculator Lite compatible with?

Feed Rate Calculator Lite is designed for iPhone and iPod devices.

### When was Feed Rate Calculator Lite last updated?

The app was last updated on October 18, 2017, with version 1.0.1.

### What is the age rating for Feed Rate Calculator Lite?

Feed Rate Calculator Lite has an age rating of 4+.

### What are the planned updates for Feed Rate Calculator Lite?

Future updates are planned to include Interpolation Calculations, Bolt Hole Circles, G and M Code Generator, and Visual Graphing.

### What is the user rating for Feed Rate Calculator Lite?

Feed Rate Calculator Lite has a rating of 2.9 stars based on 10 ratings.

### Where can I find more information about Feed Rate Calculator Lite?

More information about Feed Rate Calculator Lite can be found on the developer's website, ITAMCO, at http://www.itamco.com.

## Version history (last 2 releases)

### 1.0.1 — 2017-10-18

This app has been updated by Apple to display the Apple Watch app icon.

iOS 11 compatibility

### 1.0.0 — 2012-12-07

No release notes.

## More apps by ITAMCO

- [Feed Rate Calculator](https://appshunter.io/ios/app/feed-rate-calculator/id376358618)
- [MTConnect](https://appshunter.io/ios/app/mtconnect/id379444795)
- [Metal Weight Calculator Lite](https://appshunter.io/ios/app/metal-weight-calculator-lite/id583890206)
- [Concrete Calc Mobile Lite](https://appshunter.io/ios/app/concrete-calc-mobile-lite/id583896006)
- [Bolt Hole Circle Calculator](https://appshunter.io/ios/app/bolt-hole-circle-calculator/id587068320)

All apps by ITAMCO: https://appshunter.io/developer/374298152

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*