All-in-One Unit Converter
15+ categories & 20+ languages
Free · Designed for iPad. Not verified for macOS.
15+ unit categories (length, mass, area, speed, temperature & more)
Real-time currency conversion
20+ languages supported
Clean, modern design with instant results
All-in-One Converter is the ultimate companion for anyone who needs quick, reliable, and accurate conversions across a wide variety of units and measurement systems. Whether you are a student solving math problems, a professional working with international standards, a traveller converting currencies, or simply someone curious about measurements, this app is designed to provide an effortless, all-in-one solution right at your fingertips.
Why Choose All-in-One Converter?
Unlike basic converter apps that focus only on a handful of categories, All-in-One Converter is a complete digital toolkit. It covers almost every unit you’ll ever need, packaged in a clean and intuitive interface that makes conversions seamless. With support for multiple languages, it’s designed to be globally accessible, ensuring users from all around the world can benefit.
Comprehensive Conversion Categories
Easily switch between dozens of unit categories, including:
Angle – Convert between degrees, radians, gradians, and more.
Area – From square meters to acres and hectares, perfect for students, architects, and real estate professionals.
Bits & Data – Convert bytes, kilobytes, gigabytes, and beyond, essential for tech enthusiasts and IT professionals.
Currency – Stay up-to-date with global exchange rates for quick and reliable money conversions.
Density – Useful for scientists, engineers, and students working with physical and chemical properties.
Electric Current – Convert between amperes, milliamperes, and other units for electrical applications.
Energy – Joules, calories, kilowatt-hours, and more for physics, chemistry, and engineering needs.
Force – Newtons, pounds-force, dynes, and other force measurements.
Fuel Consumption – Compare miles per gallon, litres per 100 km, and other fuel efficiency units.
Length & Distance – Meters, miles, feet, inches—perfect for travel, education, and construction.
Mass & Weight – Convert grams, kilograms, pounds, ounces, and more.
Power – Easily switch between watts, horsepower, and kilowatts.
Pressure – From pascals to bars, PSI, and atmospheres, ideal for science and industry.
Speed – Convert kilometres per hour, miles per hour, meters per second, and knots.
Temperature – Celsius, Fahrenheit, Kelvin, and Rankine made simple.
Time – Seconds, minutes, hours, days, and beyond.
Volume & Capacity – Litres, gallons, cups, and more for cooking, science, and daily life.
Multi-Language Support
All-in-One Converter is available in 20+ languages, making it accessible worldwide.
Currently supported:
English
Arabic
Bengali
German
Greek
Spanish
Persian (Farsi)
French
Hebrew
Hindi
Indonesian
Italian
Japanese
Korean
Polish
Portuguese
Russian
Swedish
Thai
Turkish
Vietnamese
Chinese
Key Features
Accurate & Instant Results – Get conversions in real time with precise calculations.
User-Friendly Interface – Clean, modern design with intuitive navigation.
Favourites & History – Save your most-used conversions for quick access.
Multi-Language Support – Use the app in your preferred language.
Currency Updates – Stay current with regularly updated exchange rates.
Cross-Category Coverage – A truly versatile tool that goes far beyond just currency or length.
Offline Access – Perform most unit conversions even without an internet connection.
Who Can Benefit?
Students & Teachers – Simplify math, physics, and engineering problems.
Professionals – Engineers, architects, scientists, and IT experts get reliable conversions on the go.
Everyday Users – From cooking measurements to fitness tracking, this app makes daily life easier.
Download All-in-One Converter today and experience the power of accurate, fast, and versatile conversions—all in one simple, easy-to-use app.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Rajib Biswas, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Rajib Biswas
- Size
- 21.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Rajib Biswas