# Lathe RPM Calculator

> Lathe RPM calculation tool based on material, designation, and diameter. (iPhone/iPad app by Slava Barouline.)

- Source: https://appshunter.io/ios/app/lathe-rpm-calculator/id1447041666 (this page in markdown: same URL + `.md`)
- Developer: [Slava Barouline](https://appshunter.io/developer/359783175)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 29 MB
- Released: 2018-12-18
- Data updated: 2026-08-16
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/lathe-rpm-calculator/id1447041666/reviews.md

## What is Lathe RPM Calculator?

The app calculates RPM for lathe depending on material and its designation.

How to use:

1. Select material,
2. Select designation,
3. Select Tool type,
4. Optionally change measurement units,
5. Enter work diameter.

The app will calculate the RPM value.

The following materials are supported:
- Structural steel,

- Plain carbon steels,

- Resulfurized plain carbon steel,

- Leaded plain carbon steels,

- Resulfurized alloy steels,

- Water hardening tool steel,

- Cold work, oil hardening tool steel,

- Cold work, air hardening tool steel,

- Stainless steels (Austenitic),

- Cast Iron,

- Brass,

- Bronze,

- Copper,

- Wrought aluminum,

- Cast aluminum,

- Machinable Wax,

- Acetal Copolymer (Delrin),

- Polyethylene,

- Acrylic (with coolant),

- Polycarbonate,

- Teflon,

- Nylon/Acetal,

- Bakelite,

- Hard rubber,

- Wood.

If you have any suggestions please let us know.

## Key features

- Material selection
- Designation selection
- Tool type selection
- Unit measurement options
- Work diameter input
- RPM calculation

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/lathe-rpm-calculator/id1447041666/reviews.md

### 3/5 — Would be perfect with metric feed option.

*2021-03-27*

Feed seems to only accept feet per minute.

If we could set everything in metric this would be perfect for me.

## Frequently asked questions about Lathe RPM Calculator

### What materials does Lathe RPM Calculator support?

Lathe RPM Calculator supports a comprehensive list of materials including various steels, cast iron, non-ferrous metals like brass and aluminum, plastics such as Delrin and Polycarbonate, and even wood. This extensive support ensures versatility for different machining projects.

### How do I use Lathe RPM Calculator?

To use Lathe RPM Calculator, you select the material, its designation, and the tool type. You can also change measurement units if needed. Finally, enter the work diameter, and the app will calculate the required RPM.

### Is Lathe RPM Calculator free to use?

Yes, Lathe RPM Calculator is completely free to download and use. There are no in-app purchases or subscription fees required to access its full functionality.

### What devices is Lathe RPM Calculator available on?

Lathe RPM Calculator is available for iPhone, iPad, and iPod touch devices. It is designed to be compatible with Apple's mobile operating system.

### How often is Lathe RPM Calculator updated?

Lathe RPM Calculator was last updated on December 31, 2018, with version 1.0.1. While there haven't been recent updates, the app's core functionality remains stable for its intended purpose.

### What is the age rating for Lathe RPM Calculator?

Lathe RPM Calculator has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.

### Does Lathe RPM Calculator have ads?

No, Lathe RPM Calculator is ad-free. Users can enjoy calculating RPM without any interruptions from advertisements.

### What is the user feedback on Lathe RPM Calculator?

Lathe RPM Calculator has received excellent user feedback, with an average rating of 5.0 stars from 1 rating. This suggests a highly positive user experience.

## Version history (last 2 releases)

### 1.0.1 — 2018-12-31

# Minor layout changes,
# Changed measurement units.

### 1.0 — 2018-12-18

No release notes.

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All apps by Slava Barouline: https://appshunter.io/developer/359783175

## Related topics

[lathe rpm calculator](https://appshunter.io/ios/topics/lathe-rpm-calculator) · [rpm calculator](https://appshunter.io/ios/topics/rpm-calculator)

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*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 2026-08-16.*