JavaScript Program to Convert Celsius to Fahrenheit

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Introduction

Temperature conversion is a common task in programming. One of the most common conversions is from Celsius to Fahrenheit. The formula to convert Celsius to Fahrenheit is:

    let fahrenheit = (celsius * 9/5) + 32;

This program helps convert a given temperature in Celsius to Fahrenheit using JavaScript.

Problem Statement

Create a JavaScript program that:

• Accepts a temperature in Celsius.
• Converts the temperature to Fahrenheit.
• Returns and displays the result in Fahrenheit.

Example:

• Input: 25°C

• Output: 77°F

• Input: 0°C

• Output: 32°F

Solution Steps

1. Read the Input Temperature: Provide the temperature in Celsius either by user input or directly within the code.
2. Convert Celsius to Fahrenheit: Use the formula Fahrenheit = (Celsius * 9/5) + 32.
3. Display the Result: Print the result in Fahrenheit.

JavaScript Program

// JavaScript Program to Convert Celsius to Fahrenheit
// Author: https://www.javaguides.net/

function convertCelsiusToFahrenheit(celsius) {
    // Step 1: Apply the conversion formula
    let fahrenheit = (celsius * 9/5) + 32;

    // Step 2: Return the result
    return fahrenheit;
}

// Example input
let celsiusTemperature = 25;
let fahrenheitTemperature = convertCelsiusToFahrenheit(celsiusTemperature);
console.log(`${celsiusTemperature}°C is equal to ${fahrenheitTemperature}°F`);

Output

25°C is equal to 77°F

Example with Different Input

let celsiusTemperature = 0;
let fahrenheitTemperature = convertCelsiusToFahrenheit(celsiusTemperature);
console.log(`${celsiusTemperature}°C is equal to ${fahrenheitTemperature}°F`);

Output:

0°C is equal to 32°F

Explanation

Step 1: Apply the Conversion Formula

• The formula to convert Celsius to Fahrenheit is used: (celsius * 9/5) + 32; This calculates the Fahrenheit equivalent of the Celsius temperature.

Step 2: Return the Result

• The result is returned by the function and printed using console.log().

Conclusion

This JavaScript program demonstrates how to convert a temperature from Celsius to Fahrenheit using a simple mathematical formula. Temperature conversion is a common task in many programming scenarios, and this solution provides a straightforward way to handle it.

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