DEV Community
•
2026-07-30 13:38
Building a Simple Currency Converter in React with useState and useMemo
``
One of the best ways to learn React is by building small, practical projects. A currency converter is an excellent example because it introduces state management, user input handling, calculations, and performance optimization—all in a single application.
In this tutorial, I built a simple currency converter using React that converts from USD to EUR, GBP, and JPY.
For simplicity, I used fixe...
