Create a Temperature Converter with React and JavaScript

Create a Temperature Converter with React and JavaScript

We can create the React project with Create React App. To install it, we run: npx create-react-app temperature-converter with NPM to create our React project. Create a Temperature Converter with React and JavaScript. The convert function is where we convert the celsius value to fahrenheit.

React is an easy to use JavaScript framework that lets us create front end apps.

In this article, we’ll look at how to create a temperature converter with React and JavaScript.

Create the Project

We can create the React project with Create React App.

To install it, we run:

npx create-react-app temperature-converter

with NPM to create our React project.

Create the Temperature Converter

To create the temperature converter, we write:

import React, { useState } from "react";

export default function App() {
  const [celsius, setCelsius] = useState(0);
  const [fahrenheit, setFahrenheit] = useState(0);
  const convert = (e) => {
    e.preventDefault();
    const formValid = !isNaN(+celsius);
    if (!formValid) {
      return;
    }
    setFahrenheit(+celsius * (9 / 5) + 32);
  };

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