Easily convert pounds to kilograms with this straightforward utility. It offers a simple and user-friendly interface for quick unit conversions.



197+ iOS apps curated and reviewed
The best weight converter pro kg lbs apps on iPhone average 4.7★ across 197+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.







Easily convert pounds to kilograms with this straightforward utility. It offers a simple and user-friendly interface for quick unit conversions.






Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.


This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.


This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.




Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.


This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.


This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.




Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.


Easily convert currencies with up-to-the-minute exchange rates. Ideal for travelers, it offers offline access, customizable rate modifications, and support for over 170 world currencies, including precious metals and Bitcoin. Features like home screen widgets and daily rate change tables enhance usability.


This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.


This app offers a fast and user-friendly way to convert units and currencies. Customize your conversion lists and get instant results as you type, with support for over 350 units and 160 currencies. It also includes a built-in calculator and offline currency data.


Easily convert weights between pounds, kilograms, and grams. This free tool is optimized for iPhone and provides quick conversions for travelers needing handy information on the go.


Easily convert over 160 currencies and 350 physical units with real-time updates and offline capabilities. Create a favorites list for quick access to frequently used conversions and enjoy geo-based currency options. An ad-free version is available for purchase.


This free weight converter allows users to easily convert kilograms into stone and pounds, or kilograms into pounds, with a simple and accurate process. To use it, just select the unit, enter the amount, confirm, and see the conversion result.


This app offers advanced scientific calculation and comprehensive currency and unit conversion. It supports a wide range of measurements, global currencies, and includes features like history logs and home screen widgets for quick access.


Estimate the weight of objects using only your phone's camera. This AI-powered app transforms your device into a smart scale, providing instant weight and size estimates for various items from food to furniture. It also offers additional tools like text translation and calorie detection.


This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.