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How to Create Simple Calorie Calculator Using PHP

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Hello guys, This tutorial is all about How to Create Simple Calorie Calculator Using PHP. 

Determining our calorie will help us have a balanced diet and Calorie are essential for human health.

So let’s get started:

First create a class and name it “index.php” and add this code:

<html>
 <body>
 <center>
  <head><h1><font face = "forte">Simple Calorie Calculator</font></h1></head>
	<form method="post">
	Gender:
		<Select name="gender" ><br>
		<option>Male</option>
		<option>Female</option>
		</select><br><br>
	Age:
		<input name="age" type="text"> yrs.<br><br>
	Weight:
		<input name="weight" type="text">kgs.<br><br>
	Height:
		<input name="height" type="text">cm.<br><br>
		<br><input type="Submit" value="Calculate">
	

		<?php
			$age=$_POST['age'];
			$weight=$_POST['weight'];
			$height = $_POST['height'];
			$calories="0.0215183";
			$gender=$_POST['gender'];
		
				switch ($gender){
					case 'Female':
						$gender= 655 + (9.6 * $weight ) + (1.8 * $height) - (4.7 * $age);
						echo "<p>Your estimated daily metabolic rate is $gender </p>";
						echo "<p>This means that you need rouhgly $gender calories a day to maintain your current weight.</p>";

						break;
						case 'Male':
							$gender=66 + (13.7 *$weight) + (5 * $height) - (6.8 * $age);
							echo "<p>Your estimated daily metabolic rate is $gender </p>";
							echo "<p>This means that you need rouhgly $gender calories a day to maintain your current weight.</p>";
							
				}
?>

	</form>
   </center>
  </body>
</html>

Simple as that! Go and test the program now.

Here’s the output:

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Download Source code here:

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2 thoughts on “How to Create Simple Calorie Calculator Using PHP”

  1. if we have to add person daily activity like he/she is active ,moderate active something like that then who we calculate calories?????

    give me the reply as soon as possible.
    Thanks!

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