# Calculator+ - Unit Conversion — Advanced Calculator Utility

> Advanced calculator and unit converter with a customizable interface. (iPhone/iPad app by OnePercent.)

- Source: https://appshunter.io/ios/app/calculator-plus-unit-conversion/id1540403294 (this page in markdown: same URL + `.md`)
- Developer: [OnePercent](https://appshunter.io/developer/1536020418)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 18 MB
- Languages: American English
- Released: 2020-11-15
- Data updated: 2026-08-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calculator-plus-unit-conversion/id1540403294/reviews.md

## What is Calculator+?

Calculator+ is an advanced alternative to the Built-In Calculator in iOS. 
It allows you to easily handle all the calculations of everyday life, be it simple mathematical equations, or complex scientific equations. It's an app with a sleek, interactive, and customizable graphical user interface.

Calculator+ is
- Free with no hidden charges!
- Ad-Free!
- Available for all platforms!


Features : 

1. General Calculator
- A Calculator which enables you to do simple and advanced calculations with ease.
- Display the result either in Standard form or Scientific form based on your requirements.
- Have the freedom to choose the precision of your answers for accuracy depending on the purpose of the calculation.
- Log all previous calculations. 

2. Percentage Calculator
- Perform Percentage based calculations with ease without having to remember formulae.

3. BMI Calculator
- Calculate a person's BMI (Body Mass Index) with the touch of a button.

4. Investment Calculator
- Calculate the Return on your Investment with the interest rate being yearly, half-yearly, quarterly, monthly, or daily.

5. EMI and Loan Calculator
- Calculate your EMI and the total Interest payable.

6. Tax (VAT / GST) Calculator
- Get the total price by entering the original price and the tax rate.

7. Length Conversion
- Convert between Length units supporting all major Length Units such as Kilometer, Meter, Decimeter, Centimeter, Millimeter, Micrometer, Nanometer, Picometer, Nautical Mile, Mile, Yard, Foot, Inch, Lunar Distance, Astronomical Unit, Light Year.

8. Area Conversion
- Convert between Area units supporting all major Area Units such as Square Kilometer, Square Meter, Hectare, Square Decimeter, Square Centimeter, Square Millimeter, Square Micron, Acre, Square Mile, Square Yard, Square Yard, Square Foot, Square Inch, Square Rod.

9. Volume Conversion
- Convert between Volume units supporting all major Volume Units such as Liter, Hectoliter, Deciliter, Centiliter, Milliliter, Cubic Meter, Cubic Decimeter, Cubic Centimeter, Cubic Millimeter, Cubic Foot, Cubic Inch, Cubic Yard, Acre Foot.

10. Temperature Conversion
- Convert between Temperature units supporting all major Temperature Units such as Celsius, Fahrenheit, Kelvin, Rankine, and Réamur.

11. Speed Conversion
- Convert between Speed units supporting all major Speed Units such as Lightspeed, Meter per second, Kilometer per second, Mile per hour, Kilometer per hour, Knot, Foot per second, and Inch per second.

13. Time Conversion
- Convert between Time units supporting all major Time Units such as Century, Decade, Year, Week, Day, Hour, Minute, Second, Millisecond, Microsecond, and Picosecond.

14. Mass Conversion
- Convert between Mass units supporting all major Mass Units such as Kilogram, Gram, Pounds, Tonne, Milligram, Microgram, Quintal, Ounce, Carat, and Grain.

15. Numeral Conversion
- Convert between Numeral units supporting all major Numeral Units such as Binary, Octal, Decimal, and Hexadecimal.

16. Quantity Conversion
- Convert between Quantity units supporting all major Quantity Units such as Liter, Gallon, Milliliter, Fluid Ounce, Cup, TableSpoon, TeaSpoon, Quart, and Pint.

17. Age Calculator
- Know your exact age with a report on how many days and months are remaining before your next birthday.

18. Theme Customization
- Customize the whole app. Change the theme of the app to your liking.


This app is brought to you by the company OnePercent, based in Bangalore, India.

Website: www.OnePercent.club

Social Media
LinkedIn: Https://Www.Linkedin.Com/Company/Onepercent-Club/
Facebook: Https://Www.Facebook.Com/Fb.Onepercent.Club/
Instagram: Https://Www.Instagram.Com/_onepercent.Club/
Twitter : Https://Twitter.Com/OnePercent_club

## Key features

- General and scientific calculations
- Extensive unit conversions (length, area, volume, etc.)
- BMI, investment, EMI, and tax calculators
- Customizable graphical user interface
- Calculation history log
- Adjustable answer precision

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/calculator-plus-unit-conversion/id1540403294/reviews.md

### 4/5 — Good app

*2022-10-11*

This is a very easy to use and handy app! Lots of helpful conversion calculators.  The temperature calculator seems to be missing a negative symbol to enter a negative tenperature.  Can this be added in the next update?

**Developer response:** We are glad to know that you like our app. Please try out our other apps and feel free to rate and review.

## Frequently asked questions about Calculator+

### Does Calculator+ have ads?

No, Calculator+ is ad-free. The app explicitly states it is ad-free, allowing for an uninterrupted user experience.

### What platforms is Calculator+ available on?

Calculator+ is available for all platforms, including iPhone, iPad, and iPod. This broad compatibility ensures users can access its features across their Apple devices.

### How accurate are the calculations in Calculator+?

Calculator+ allows users to choose the precision of their answers, ensuring accuracy depending on the specific calculation's purpose. This feature is beneficial for both simple and complex mathematical tasks.

### Can I view past calculations in Calculator+?

Yes, Calculator+ logs all previous calculations. This feature allows users to easily review and reference their past computations without needing to re-enter them.

### What types of unit conversions does Calculator+ support?

Calculator+ supports a wide array of unit conversions, including length, area, volume, temperature, speed, time, mass, and numeral systems. It covers all major units within these categories.

### Is Calculator+ free to use?

Yes, Calculator+ is completely free to use with no hidden charges. The app is advertised as 'Free with no hidden charges!'.

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

Calculator+ has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, due to its straightforward utility functions.

### How often is Calculator+ updated?

The latest version of Calculator+ was released on September 24, 2023. While specific update frequency isn't detailed, this indicates recent ongoing support and development.

## Version history (last 5 releases)

### 1.1.21 — 2026-08-09

- Added Features
- Improved Graphical User Interface
- More Efficient with a better User Experience
- Fixed Bugs

### 1.1.11 — 2023-09-24

- Added Features
- Improved Graphical User Interface
- More Efficient with a better User Experience
- Fixed Bugs

### 1.1.7 — 2023-02-05

- Added Features
- Improved Graphical User Interface
- More Efficient with a better User Experience
- Fixed Bugs

### 1.1.6 — 2023-01-24

- Added Features
- Improved Graphical User Interface
- More Efficient with a better User Experience
- Fixed Bugs

### 1.1.0 — 2023-01-13

- Added Features
- Improved Graphical User Interface
- More Efficient with a Better User Experience
- Fixed Bugs

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All apps by OnePercent: https://appshunter.io/developer/1536020418

## Related topics

[conversion calculator percentage](https://appshunter.io/ios/topics/conversion-calculator-percentage) · [conversion calculator plus](https://appshunter.io/ios/topics/conversion-calculator-plus)

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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 2026-08-11.*