# Unit Converter and Calculator. — Metric & Measure Conversion

> Comprehensive unit converter with over 70 categories and 1450 units. (iPhone/iPad app by Kemal Bakacak.)

- Source: https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634 (this page in markdown: same URL + `.md`)
- Developer: [Kemal Bakacak](https://appshunter.io/developer/1475963902)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 4.20/5 from 80 App Store ratings · 22 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 19 MB
- Languages: Russian, Hindi, Turkish, Hebrew, German (Germany), Italian, Japanese, French (France), Thai, Swedish and 8 more
- Released: 2021-03-20
- Data updated: 2026-08-22
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews.md

## What is Unit Converter and Calculator.?

Introducing the ultimate Unit Conversion mobile application designed to simplify your everyday calculations. With an intuitive interface and fast performance, our app makes converting units effortless. Whether you’re dealing with tons of categories, this app supports a wide range of categories and units. It has more than 70 categories and more than 1450 units.

Features include:

- Real-time conversions with accurate results.
- User-friendly design for seamless navigation.
- Customizable settings tailored to your preferences.
- Offline access for all of them.
- Quick access to your last used categories.
- Append your favorite list of most useful units.
- Dark mode support.
- Small app sizes.

Perfect for students, professionals, travelers, and anyone needing quick and reliable unit conversions. Make your calculations more efficient. Download Now!

List of our categories;

== Basic Units ==
- Length
- Temperature
- Area
- Volume
- Weight and Mass
- Time

== Engineering Units ==
- Pressure
- Energy
- Power
- Force
- Speed
- Angle
- Fuel Consumption
- Data Storage
- Volume - Dry
- Velocity - Angular
- Acceleration
- Acceleration - Angular
- Density
- Specific Volume
- Moment of Inertia
- Moment of Force
- Torque

== Heat Units ==
- Fuel Efficiency - Mass
- Fuel Efficiency - Volume
- Temperature Interval
- Thermal Expansion
- Thermal Resistance
- Thermal Conductivity
- Specific Heat Capacity
- Heat Density
- Heat Flux Density
- Heat Transfer Coefficient

== Fluid Units ==
- Flow
- Flow - Mass
- Flow - Molar
- Mass Flux Density
- Concentration - Molar
- Concentration - Solution
- Viscosity - Dynamic
- Viscosity - Kinematic
- Surface Tension
- Permeability

== Light Units ==
- Luminance
- Luminous Intensity
- Illumination
- Digital Image Resolution
- Wavelength

== Electricity Units ==
- Charge
- Linear Charge Density
- Surface Charge Density
- Volume Charge Density
- Current
- Linear Current Density
- Surface Current Density
- Electric Field Strength
- Electric Potential
- Electric Resistance
- Electric Resistivity
- Electric Conductance
- Electric Conductivity
- Electrostatic Capacitance
- Inductance

== Magnetism Units ==
- Magnetomotive Force
- Magnetic Field Strength
- Magnetic Flux
- Magnetic Flux Density

== Radiology Units ==
- Radiation
- Radiation - Activity
- Radiation - Exposure
- Radiation - Absorbed Dose

If you have any questions, please do not hesitate to contact us, support@kemalbakacak.com

## Key features

- Real-time conversions
- Over 70 categories
- More than 1450 units
- Offline access
- User-friendly design
- Customizable settings
- Dark mode support

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium, All Calculation Units | $2.99 | one-time |


## Recent user reviews (10 of 22)

All indexed reviews: https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews.md

### 2/5 — 이상합니다 에러가 있는것 같습니다

*2025-06-02*

m/s -> mi/h 에서 제대로 계산되지 않고 있습니다. 수정 부탁드립니다

**Developer response:** 안녕하세요, 귀중한 피드백을 주셔서 정말 감사합니다. 인터넷에서 다양한 자료를 확인해봤는데, 제 앱과 동일한 결과를 확인했습니다. 예를 들어, 50 meter/second 111.846814 mile/hour 같습니다. 다른 결과를 발견하셨나요? 다시 한 번 감사드립니다. 좋은 하루 보내세요.

### 1/5 — Erneut zum Kauf gezwungen!

*2025-03-22*

Vollversion bereits bezahlt. Nun heißt es es gibt keine Einkäufe. Meine Bestellnummer behauptet das Gegenteil (MS90SB229Z) !

### 5/5 — Простое и красивое:)

*2025-02-07, version 2.99.0*

Оч. помогает в универе!

### 1/5 — Ужас

*2025-01-21, version 2.99.0*

НЕПОНЯТНОЕ ПРИЛОЖЕНИЕ И НИЧЕГО НЕ РАСЧИТЫВАЕТ!!!!!!!!!!!

### 5/5 — suggestion

*2024-12-07*

could you please add “mpg to L/100km” in Fuel Consumption？ thx so much！

**Developer response:** Hello, thank you so much for your feedback. We’ll definitely include it in the next update and available as soon as possible. Thank you for contributing to our app :)
Edit: We did it. Now, You can now update your app to access the new conversion. You can convert “mile/gallon (US)” to “liter/100 km”. Thanks again, have a great day.

### 5/5 — 요청사항

*2024-12-03*

압력쪽에 [ ] 단위가 없는게 쪼금 있는데 넣어주실수있으신가요?

**Developer response:** 안녕하세요, 피드백을 보내주셔서 감사합니다. 물론입니다. 확인했지만 누락된 유닛을 찾을 수 없습니다. 공유해 주시겠어요? 여기에서 글을 작성하거나 지원 이메일로 이메일을 보내주세요. 또한 인앱을 통해 피드백 메커니즘을 활성화할 예정입니다. 저희에게 쉽게 연락하실 수 있을 것입니다. 다시 한번 감사드리며 좋은 하루 되세요.

### 5/5 — The best app ever

*2024-09-30*

this app saved me in my biology class and i will never ever forget this app. this app is the only my family has food on the table to eat because i passed my class and i succeeded in life i am now a neurosurgeon i was having trouble thinking of a review to write because words almost cant even describe how great this app is this app helped me graduate at the top of my class. this app will forever hold a special place in my heart. sincerely B cass.

**Developer response:** Hello, thank you so much for your review. Wow, this review is one of the our best review yet. We're so happy to hear that. Also, we're so happy for you. Congrats, best wishes for next chapter in your life :) We believe you, keep going.

### 5/5 — Хорошо

*2024-08-28, version 2.91.0*

Ключевое - большой выбор. Это отлично!

### 1/5 — 骗人

*2024-06-14*

骗人玩意

**Developer response:** 您好，非常感谢您的评价。对此我们深表遗憾。我们希望为用户提供良好的体验。您能解释一下您的问题吗？我们真的希望尽快解决。再次感谢您，祝您愉快。

### 3/5 — Sehr schön…aber…

*2024-05-06*

Leider fehlen die „kleinen“ Einheiten wie Nanogramm, Nanaomol etc.

**Developer response:** Hallo, vielen Dank für Ihre Bewertung. Wir versuchen, die Konvertierungsdatenbank zu verbessern. Wie Ihr Vorschlag, werden wir mehr detaillierte in einigen der Kategorie hinzufügen. Nochmals vielen Dank, haben einen schönen Tag.

## Frequently asked questions about Unit Converter and Calculator.

### What does this unit converter app do?

This app is designed to simplify everyday calculations by providing effortless unit conversions. It supports a wide range of categories and units, offering real-time and accurate results through an intuitive interface.

### How many units and categories does the app support?

The application boasts an extensive collection, featuring over 70 categories and more than 1450 different units for conversion. This comprehensive coverage ensures you can handle almost any conversion need.

### Is the app free to use?

The app is available for free, but it does include in-app purchases. This means you can use the core functionality without cost, with options to purchase additional features or remove ads.

### Can I use the unit converter offline?

Yes, a key feature of this application is its offline access. You can perform all unit conversions without needing an internet connection, making it reliable for use anywhere.

### Who would benefit from using this app?

This app is ideal for a broad audience, including students who need to convert units for their studies, professionals in various fields, travelers who encounter different measurement systems, and anyone who requires quick and dependable unit conversions in their daily life.

## Version history (last 5 releases)

### 2.118.0 — 2026-08-04

Thank you for using Unit Converter and Calculator. In this version,

- Made localization improvements.

Thank you for your continued support!

### 2.117.0 — 2026-07-15

Thank you for using Unit Converter and Calculator. In this version,

- Refined the design to improve overall quality and consistency.

Thank you for your continued support!

### 2.116.0 — 2026-06-08

Thank you for using Unit Converter and Calculator. In this version,

- Refined the design to improve overall quality and consistency.

Thank you for your continued support!

### 2.115.0 — 2026-05-03

Thank you for using Unit Converter and Calculator. In this version,

- Refined the design to improve overall quality and consistency.

Thank you for your continued support!

### 2.114.0 — 2026-04-16

Thank you for using Unit Converter and Calculator. In this version,

- Fixed hard to tap list item issue in calculation view.

Thank you for your continued support!

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All apps by Kemal Bakacak: https://appshunter.io/developer/1475963902

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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 2026-08-22.*