# Hardness Converter Tool

> Converts between multiple common hardness data types and tensile strength. (iPhone/iPad app by Kubilay Erdogan.)

- Source: https://appshunter.io/ios/app/hardness-converter-tool/id877294325 (this page in markdown: same URL + `.md`)
- Developer: [Kubilay Erdogan](https://appshunter.io/developer/597280020)
- Category: Reference, Utilities
- Price: Free
- Rating: 3.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 6.0 · 5 MB
- Languages: American English, Russian, Turkish
- Released: 2014-05-16
- Data updated: 2026-09-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hardness-converter-tool/id877294325/reviews.md

## What is Hardness Converter Tool?

Hardness Converter Tool is designed to make convertions between most-used hardness data types.

When you are on the home screen, you can quickly convert a value to others by clicking [Convert] button.

Default input value type is set to Rockwell -Standart Brale 150 kg (C).

However, you can change that when you get the convertion page by choosing the type you want over[Select Type] button on the home screen.

If you want to see all values in the chart, select [View Table] on the home screen.

You can make hardness convertions between these types:
. Rockwell -Standart Brale 150 KG (C)
. Rockwell -Standart Brale 60 KG (A)
. Rockwell -Superficial Brale 15 KG (15-N)
. Rockwell -Superficial Brale 30 KG (30-N)
. Rockwell -Superficial Brale 45 KG (45-N)
. Vickers -10 KG Diamond Pyramid
. Tukon Knoop -500 gr & Over Diamond
. Brinell -3000 KG 10 mm Ball
. Tensile Strength -Approximately Kpsi
. Tensile Strength -Mpa

Developer's note: All of the values provided in this app are referenced from Nitrex Metal Technologies public hardness conversion table which can be found at the following URL: http://www.nitrexmetaltech.com/conversion.htm

While using this tool, user discretion is strongly advised. Developer of this application is not responsible of the results that might occur after using the values provided inside of the app.

## Key features

- Convert between multiple hardness types
- Supports Rockwell, Vickers, Brinell, and Knoop
- Includes Tensile Strength conversion
- View all conversions in a table
- Customizable input value type


## Frequently asked questions about Hardness Converter Tool

### What hardness scales does Hardness Converter Tool support?

Hardness Converter Tool supports Rockwell (C, A, 15-N, 30-N, 45-N), Vickers, Tukon Knoop, and Brinell scales. It also includes approximate conversions for Tensile Strength in Kpsi and Mpa.

### Where does Hardness Converter Tool get its conversion data?

The conversion values in Hardness Converter Tool are referenced from Nitrex Metal Technologies' public hardness conversion table. A link to the source is provided within the app's developer notes.

### Can I see all the hardness conversions at once in Hardness Converter Tool?

Yes, Hardness Converter Tool allows you to view all available hardness conversions in a clear table format. You can access this by selecting the 'View Table' option from the home screen.

### What is the default input type for Hardness Converter Tool?

The default input value type for Hardness Converter Tool is set to Rockwell - Standard Brale 150 kg (C). You can easily change this to another type on the conversion page.

### Is Hardness Converter Tool available on Android devices?

Based on the provided data, Hardness Converter Tool is supported on iPhone, iPad, and iPod. Information regarding Android compatibility is not available.

### How often is Hardness Converter Tool updated?

Hardness Converter Tool was last updated on May 23, 2014, with version 1.1. The initial release date was May 16, 2014, indicating infrequent updates.

### What is the user rating for Hardness Converter Tool?

Hardness Converter Tool has a rating of 3.0 stars based on a single review. User sentiment may be limited due to the low number of ratings.

### Does Hardness Converter Tool have ads?

No, Hardness Converter Tool does not contain advertisements. The app is free to use without any ad interruptions.

## Version history (last 2 releases)

### 1.1 — 2014-05-23

This version contains localization for русский (Russian), some improvements on UI and advertisements.

### 1.0 — 2014-05-15

No release notes.

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All apps by Kubilay Erdogan: https://appshunter.io/developer/597280020

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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 2026-09-02.*