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>