In this tutorial, we will discuss the concept of the“PHP code to convert Fahrenheit into Celsius”.
In this post, we will learn how to write a program to convert Fahrenheit into Celsius using the scientific equations in PHP programming language with an Example program.
Temperature and conversion
Generally, We have known three types of temperature units Fahrenheit, Celsius, and Kelvin. In this article, we are discussing how to convert temperature units Fahrenheit into Celsius. Fahrenheit and Celsius are the measuring units in degrees as 0F and 0C respectively.
Scientific equation Celsius = (Fahrenheit-32)*9/5
In this program, the user declares and initializes a double variable Fahrenheit as 100.00 It will be converted into Celsius, using the scientific equation in the PHP programming language.
Program 1
<?php $fahrenheit=100.0; $celsius=(($fahrenheit-32)*5)/9; echo("The temperature in Celsius is: "); $celsius=round($celsius,3); echo(($celsius)); ?>
When the above code is executed, it produces the following result
The temperature in Celsius is: 37.778
In this program, the user declares the variable as Double, then the user is asked to enter a double value to Fahrenheit. The entered value will be converted into Celsius, using the scientific equation in the PHP programming language.
Program 2
<?php $fahrenheit=readline("Enter the fahrenheit: "); $celsius=(($fahrenheit-32)*5)/9; $celsius=round($celsius,3); echo("The temperature in Celsius is: "); echo(($celsius)); ?>
When the above code is executed, it produces the following result
Enter the Fahrenheit: 210.1 The temperature in Celsius is: 98.944
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