BMI Calculator
About this app
Calculate your Body Mass Index (BMI) to assess whether you're in a healthy weight range.
BMI Calculator BMI Calculator Weight (kg) Height (m) Calculate Calculate Again Exit Remember, while BMI is a useful tool to assess whether you're in a healthy weight range, it doesn't directly assess body fat and may not accurately reflect health status for all individuals. Factors like muscle mass, bone density, and overall body composition can influence BMI.
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Source
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>BMI Calculator</title>
<meta name="description" content="Calculate your Body Mass Index (BMI) to assess whether you're in a healthy weight range.">
<meta name="keywords" content="BMI, body mass index, health, weight, calculator">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet">
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
function calculateBMI() {
var weight = parseFloat($('#weight').val());
var height = parseFloat($('#height').val());
var bmi = weight / (height * height);
if (isNaN(bmi)) {
$('#result').text('Invalid input. Please enter valid values.');
} else {
$('#result').text('Your BMI is ' + bmi.toFixed(2));
}
}
function resetForm() {
$('#weight').val('');
$('#height').val('');
$('#result').text('');
}
// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
$('#calculateBtn').click(calculateBMI);
$('#resetBtn').click(resetForm);
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<style>
/* App CSS Goes Here */
body {
font-family: 'Montserrat', sans-serif;
background-color: #f2f5f8;
margin: 0;
padding: 0;
}
#main-container {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
min-height: 100vh;
}
.card {
width: 400px;
max-width: 90%;
background-color: #fff;
border-radius: 10px;
box-shadow: 0px 6px 15px rgba(0, 0, 0, 0.1);
padding: 20px;
text-align: center;
}
.form-group {
margin-bottom: 20px;
}
.form-group label {
font-weight: bold;
margin-bottom: 5px;
}
.form-group input {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
}
.result {
font-size: 24px;
font-weight: bold;
margin-top: 20px;
}
.btn {
padding: 10px 20px;
border-radius: 5px;
border: none;
font-weight: bold;
cursor: pointer;
}
.btn-primary {
background-color: #007bff;
color: #fff;
transition: background-color 0.3s;
}
.btn-primary:hover {
background-color: #0056b3;
}
.btn-secondary {
background-color: #6c757d;
color: #fff;
transition: background-color 0.3s;
}
.btn-secondary:hover {
background-color: #495057;
}
.note {
font-size: 12px;
color: #777;
margin-top: 20px;
text-align: center;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<div class="card">
<h2>BMI Calculator</h2>
<div class="form-group">
<label for="weight">Weight (kg)</label>
<input type="number" id="weight" placeholder="Enter weight">
</div>
<div class="form-group">
<label for="height">Height (m)</label>
<input type="number" id="height" placeholder="Enter height">
</div>
<button id="calculateBtn" class="btn btn-primary">Calculate</button>
<div id="result" class="result"></div>
<div class="btn-group mt-3">
<button id="resetBtn" class="btn btn-secondary">Calculate Again</button>
<button onclick="window.location.reload();" class="btn btn-secondary">Exit</button>
</div>
<div class="note">
Remember, while BMI is a useful tool to assess whether you're in a healthy weight range, it doesn't directly assess body fat and may not accurately reflect health status for all individuals. Factors like muscle mass, bone density, and overall body composition can influence BMI.
</div>
</div>
</div>
</body>
</html>
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