# ArithMetric Construction Calc — Metric to US Converter

> Metric and imperial measurement converter and calculator for construction professionals. (iPhone/iPad app by Gabor Ragalyi.)

- Source: https://appshunter.io/ios/app/arithmetric-construction-calc/id1558500200 (this page in markdown: same URL + `.md`)
- Developer: [Gabor Ragalyi](https://appshunter.io/developer/1558500202)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.63/5 from 41 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 6 MB
- Languages: English
- Released: 2021-03-22
- Data updated: 2026-08-13
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/arithmetric-construction-calc/id1558500200/reviews.md

## What is ArithMetric Construction Calc?

Easily calculate and convert areas and measurements!

* Converts and calculates in mm, ft, in, and regular mode. Double tap the screen to rotate through dimension input and output modes.


* Features Live Updating, so you can see your measurements and calculations converted in real-time without the need to jump around to different screens or having to press 'convert' buttons.


* Developed for people in the construction industry; design, build, and management who need an effective way off working off of metric or imperial architectural drawings. Allows the user to intuitively and quickly calculate and convert dimensions from CAD drawings to the field and vice versa. Calculate metric dimensions together with imperial and choose your desired output to quickly translate to the field!

* Enjoy an ad-free experience by upgrading to the pro version for a one-time fee of $2.79 US. (Swipe left to access.)

* Also available in the pro version is access to advanced preferences where you can:

    * Switch to your desired mode
    * Pick your theme
    * Select your desired measurement precision (1/4", 1/8", 1/16", 1/32")
    * Configure crash report settings

Anything to share? Suggestions? Bugs? 

Email arithmetricapp@gmail.com

## Key features

- Real-time metric to US unit conversion
- Calculate areas and dimensions
- Supports mm, ft, and inches
- Live updating for instant results
- Intuitive CAD drawing translation
- Advanced preferences in pro version

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| ArithMetric Pro Version | $1.99 | one-time |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/arithmetric-construction-calc/id1558500200/reviews.md

### 1/5 — Update destroys app

*2024-05-31*

I use this app everyday for work, not too long ago an update came out and now I can’t use feet or inches. Everyone has a calculator on there phones🤦‍♂️😂 we need the feet and inches back please!!

### 5/5 — How to update to pro version?

*2023-06-03*

Swiping left does not allow me to purchase the program an update to pro version. How do I do this?

Yes, I did swipe from within the display area. Still does not allow me to purchase.

**Developer response:** Did you swipe left directly from within the display area (not where the number pad is) on the phone screen?

### 5/5 — How to update to pro version?

*2023-05-23, version 2.41*

Swiping left does not allow me to purchase the program an update to pro version. How do I do this?

### 5/5 — Use this app constantly

*2022-05-08*

As a project manager for restoration, I use this app for all my calculations when writing estimates etc. Really straightforward and user friendly.

## Frequently asked questions about ArithMetric Construction Calc

### What units does ArithMetric Construction Calc convert between?

ArithMetric Construction Calc converts and calculates in millimeters (mm), feet (ft), and inches (in). It also offers a 'regular mode' for general calculations.

### How does ArithMetric Construction Calc provide real-time updates?

The app features 'Live Updating,' meaning measurements and calculations are converted instantly as you input them, eliminating the need to press convert buttons or navigate between screens.

### Is ArithMetric Construction Calc suitable for working with CAD drawings?

Yes, the app is specifically developed for construction professionals to intuitively and quickly calculate and convert dimensions from CAD drawings to the field and vice versa.

### What is the cost of the pro version of ArithMetric Construction Calc?

The pro version of ArithMetric Construction Calc is available for a one-time fee of $2.79 US. This upgrade unlocks an ad-free experience and advanced preferences.

### What advanced preferences are available in the pro version?

The pro version allows users to switch modes, pick themes, select measurement precision (e.g., 1/4", 1/8", 1/16", 1/32"), and configure crash report settings.

### Does ArithMetric Construction Calc have ads?

The free version of ArithMetric Construction Calc contains advertisements. Users can enjoy an ad-free experience by upgrading to the pro version.

### What is the update frequency for ArithMetric Construction Calc?

The latest version of ArithMetric Construction Calc is 2.41, last updated on December 27, 2022. This indicates a development cycle that provides regular updates.

### What devices is ArithMetric Construction Calc compatible with?

ArithMetric Construction Calc is compatible with iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.

## Version history (last 5 releases)

### 2.41 — 2022-12-27

- Fixed bug with negative numbers being re-entered
- Improved crash reporting
- Improved performance

### 2.40 — 2022-06-09

- Negative number functionality added
- Taptic feature added for buttons
- Improved performance

### 2.32 — 2022-06-03

- Improved functionality
- Bug fixed with exponents

### 2.31 — 2022-05-22

- Bug reporting improvement on launch

### 2.23 — 2022-05-22

- Performance improvements

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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 2026-08-13.*