# Engineering Calculator

> Offline unit converter and tip calculator for US users. (iPhone/iPad app by Masato Kanazawa.)

- Source: https://appshunter.io/ios/app/engineering-calculator/id1395510375 (this page in markdown: same URL + `.md`)
- Developer: [Masato Kanazawa](https://appshunter.io/developer/1110570349)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.50/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.2 · 1 MB
- Languages: American English
- Released: 2018-07-30
- Data updated: 2026-07-18
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/engineering-calculator/id1395510375/reviews.md

## What is Engineering Calculator?

米国（アメリカ）で生活するエンジニアのための単位換算、チップ計算ができるアプリです。
特にエンジニアである必要もないですが。。。

オフラインで動作可能、広告もありません。

極力少ない操作で結果が出るようになっています。

米国企業などと商談を行うときには単位の相違によって誤解が生じることが多々あります。

このアプリを使って手早く単位変換ができれば、早く理解出来、結果商談の成功に繋がります。

## Key features

- Unit conversion
- Tip calculation
- Offline functionality
- Minimalist interface
- Business negotiation aid


## Frequently asked questions about Engineering Calculator

### Does Engineering Calculator have ads?

Yes, Engineering Calculator contains advertisements. This is indicated by the 'hasAds' flag being true in its data.

### What is the rating for Engineering Calculator?

Engineering Calculator has a rating of 4.5 stars from 2 ratings.

### Can I use Engineering Calculator offline?

Yes, Engineering Calculator is designed to work offline, meaning you do not need an internet connection to use its features.

### What devices does Engineering Calculator support?

Engineering Calculator is available on iPhone, iPad, and iPod.

### How often is Engineering Calculator updated?

The latest version of Engineering Calculator is 2.8, and it was last updated on October 16, 2021.

### What is the age rating for Engineering Calculator?

Engineering Calculator has an age rating of 4+.

### Is Engineering Calculator free to download?

Yes, Engineering Calculator is available for free download.

### What is the primary purpose of Engineering Calculator?

Engineering Calculator is primarily used for unit conversions and tip calculations, especially for users in the United States, to facilitate smoother business interactions.

## Version history (last 5 releases)

### 2.9 — 2026-07-06

Bug fixes and performance improvements.

### 2.8 — 2021-10-16

Supports ios15

### 2.7 — 2020-12-17

Expire 2021/12/31.
Swift5 code.

### 2.6 — 2020-05-28

Added Canadian dollar.

### 2.4 — 2019-09-17

メキシコのPesoに対応しました。
MXNを選択してください。
単純なレート計算のみです。

## Apps similar to Engineering Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Calc Pro - The Top Calculator](https://appshunter.io/ios/app/calc-pro-the-top-calculator/id438580059) | 4.7 (354) | $7.99 | Utilities |
| [US単位コンバーター - アメリカの時差/単位を変換](https://appshunter.io/ios/app/us/id1607728774) | — | Free | Utilities |
| [にほんご電卓](https://appshunter.io/ios/app/id1380990165) | 5.0 (1) | Free | Utilities |
| [Smart Unit Conversion](https://appshunter.io/ios/app/smart-unit-conversion/id1643381985) | — | Free | Utilities |
| [Calculator+ Tip Tax BMI Unit](https://appshunter.io/ios/app/calculator-plus-tip-tax-bmi-unit/id1587591476) | — | Free | Utilities |
| [Mechanical Engineering Toolkit](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443) | 4.8 (64) | Free | Utilities |

## More apps by Masato Kanazawa

- [VPSS Tool](https://appshunter.io/ios/app/vpss-tool/id1110570350)
- [MonogusaKun](https://appshunter.io/ios/app/monogusakun/id1145708726)
- [iBeaconFTP](https://appshunter.io/ios/app/ibeaconftp/id1236365541)
- [Beacon01](https://appshunter.io/ios/app/beacon01/id1554531258)

All apps by Masato Kanazawa: https://appshunter.io/developer/1110570349

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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 2026-07-18.*