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Celsius to Fahrenheit Converter with React Hooks

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by vsasikalabe dot icon Updated: Apr 6, 2023

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Fahrenheit and Celsius are temperature scales. Celsius to Fahrenheit is the transformation of temperature units. Temperature scales are used to measure how hot or cold a given product is. The symbol used for Celsius it's °C, whereas Fahrenheit is °F. Water freezes at 32° Fahrenheit and boils at 212° Fahrenheit on a Fahrenheit scale. But, on a Celsius or centigrade scale, water freezes at 0° Celsius and boils at 100° Celsius.


As a formula for converting the temperature, to go from Fahrenheit to Celsius, take 30 off the Fahrenheit value and then half that number. For an accurate answer, subtract 32 and divide by 1.8.const [state, setState] = useState(initialState). To update the state, we should call the state updater with the new state setState(newState) function. Supply a callback function setState(prevState => newState) to update the state depending on the previous state. The target event property returns the element. It triggered the event. The event originally occurred when the target property got the element. It is opposed to the current Target property, which always directs to the element whose event listener triggered the event.


The Grad converter uses react useState hook to update the temperature value. The Celsius value is converted into Fahrenheit value by using this method.


Here is an example of how to convert the Celsius value into Fahrenheit value using Reactjs:

Preview of the output that you will get on running this code from your IDE.

Code

In this solution we use the React library.

Celsius to Fahrenheit Converter with React Hooks

Lines of Code : 43dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
function GradConverter(){
  const [temp, updateTemp] = React.useState({ f: 0, c: 0 })

  const updateC = ev => updateTemp({
    c: ev.target.value,
    f: (+ev.target.value * 9 / 5 + 32).toFixed(2)
  })
  
  const updateF = ev => updateTemp({
    c: ((+ev.target.value - 32) * 5 / 9).toFixed(2),
    f: ev.target.value
  })

  return(
    <div id="container">
      <div id="box1">
        <h1>Celsius</h1>
        <input
            type = "number"
            value = {temp.c}
            onChange = {updateC} >
          </input>
      </div>
      <div id="box2">
          <h1>Fahrenheit</h1>
          <input
            type = "number" 
            value = {temp.f} 
            onChange = {updateF}>
          </input>
          </div>
    </div>
  )
}

ReactDOM.render(
  <GradConverter />,
  root
)
<script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>

<div id="root"></div>

Instructions

Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste it in App.js file(remove the earlier code from App.js).Copy the html code into index.html within the body tag.
  6. Import React library.
  7. Remove the ReactDom render line and paste 'export default GradConverter' to the end.
  8. Open the terminal from IDE.
  9. npm start to run the file.


I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for Celsius to Fahrenheit Converter with React Hooks in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in VS Code 1.73.1 version.
  2. The solution is tested on Nodejs 16.14.2 version.
  3. react 18.2.0 version


Using this solution, we are able to do Celsius to Fahrenheit Converter with React Hooks with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to do Celsius to Fahrenheit Converter with React Hooks.

Dependent Libraries

create-react-appby facebook

JavaScript doticonstar image 100082 doticonVersion:v5.0.1doticon
License: Permissive (MIT)

Set up a modern web app by running one command.

Support
    Quality
      Security
        License
          Reuse

            create-react-appby facebook

            JavaScript doticon star image 100082 doticonVersion:v5.0.1doticon License: Permissive (MIT)

            Set up a modern web app by running one command.
            Support
              Quality
                Security
                  License
                    Reuse

                      You can search for any dependent library on kandi like react.

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