CalcSwap

CalcSwap is a lightweight and easy-to-use unit and currency converter that lets you quickly handle daily unit conversions and cross-currency exchange rates with just a few taps. It supports a wide range of conversions including length, weight, area, volume, temperature, and time, with two-way calculations for popular units such as meters and feet, kilograms and pounds, and Celsius and Fahrenheit. For currencies, it covers major ones including US dollars, Chinese yuan, euros, Japanese yen, British pounds, Korean won, and Hong Kong dollars, making it perfect for quick checks during business trips, online shopping abroad, or price comparisons. The interface is clean and straightforward: simply select a category, enter a number, and view results instantly. You can also swap left and right units with one tap without switching between apps. All conversions are processed locally, and no personal data is collected, so you can use it with peace of mind. Whether you’re a student doing homework, a professional checking exchange rates, or a shopper buying overseas, this single app covers all your needs — lightweight, convenient, and fully functional.