FFMI Calculator Code

To create a beautiful HTML file using an FFMI calculator, you will need to use HTML, CSS, and possibly JavaScript to create the layout, style, and functionality of your calculator.

Here is a basic outline of the steps you could follow to create an FFMI calculator:

Decide on the layout and design of your calculator. This might involve sketching out wireframes or mockups to plan the position of the input fields, buttons, and output display.
Write the HTML code for the calculator. This will involve creating the structure of the calculator using HTML elements such as <form>, <input>, and <button>.
Use CSS to style the calculator. You can use CSS to add colours, fonts, and other design elements to your calculator to make it look more attractive.
Add functionality to the calculator using JavaScript. You can use JavaScript to create the logic for the calculator, including the formulas needed to calculate FFMI based on the input values.
Test the calculator to make sure it is working correctly.
Save the HTML, CSS, and JavaScript code in separate files, and then use a program like a web browser to open the HTML file and view the calculator.

Here is a sample HTML code for a simple FFMI calculator that includes input fields for weight, height, and body fat percentage, and a button to calculate the FFMI:

FFMI Calculator Code

Here is a complete HTML, CSS, and JavaScript code for an FFMI calculator that includes input fields for weight, height, and body fat percentage, and a button to calculate the FFMI:

<!DOCTYPE html>
<html>
<head>
  <title>FFMI Calculator</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      max-width: 600px;
      margin: 0 auto;
      text-align: center;
    }

    h1 {
      color: #333;
    }

    input[type="number"] {
      width: 60px;
      height: 30px;
      font-size: 14px;
      border: 1px solid #ccc;
      border-radius: 4px;
      padding: 0 10px;
    }

    button {
      display: inline-block;
      width: 120px;
      height: 30px;
      font-size: 14px;
      color: #fff;
      background-color: #337ab7;
      border: 1px solid #2e6da4;
      border-radius: 4px;
      cursor: pointer;
    }

    button:hover {
      background-color: #286090;
    }

    #ffmi-result {
      font-size: 18px;
      font-weight: bold;
    }
  </style>
</head>
<body>
  <h1>FFMI Calculator</h1>
  <form id="ffmi-form">
    <label for="weight">Weight (kg):</label><br>
    <input type="number" id="weight" name="weight"><br>
    <label for="height">Height (cm):</label><br>
    <input type="number" id="height" name="height"><br>
    <label for="body-fat">Body fat percentage (%):</label><br>
    <input type="number" id="body-fat" name="body-fat"><br><br>
    <button type="button" onclick="calculateFFMI()">Calculate FFMI</button>
  </form> 
  <br>
  <p id="ffmi-result"></p>
  <script>
    function calculateFFMI() {
      // Get the input values
      var weight = document.getElementById("weight").value;
      var height = document.getElementById("height").value;
      var bodyFat = document.getElementById("body-fat").value;

      // Calculate FFMI
      var ffmi = (weight * (1 - bodyFat / 100)) / (height / 100) ** 2;

      // Display the result
      document.getElementById("ffmi-result").innerHTML = "FFMI: " + ffmi.toFixed(2);
    }
  </script>
</body>
</html>

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