Body Mass Index Calculator
About this app
Calculate your Body Mass Index (BMI)
Body Mass Index Calculator Calculate Again Underweight Normal Weight Overweight Obese Note: BMI is a useful measure for adults. It may not be accurate for athletes, elderly, or children.
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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>Body Mass Index Calculator</title>
<meta name="description" content="Calculate your Body Mass Index (BMI)">
<meta name="keywords" content="body mass index, BMI, 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">
<style>
.horizontal-scale {
display: flex;
flex-direction: column;
justify-content: space-between;
height: 50px;
width: 300px;
background-color: #f5f5f5;
margin-right: 20px;
}
.scale-section {
height: 75px;
width: 300px;
display: flex;
align-items: center;
justify-content: center;
border: 2px solid black;
}
.scale-section.underweight {
color: lightblue;
}
.scale-section.normal-weight {
color: green;
}
.scale-section.overweight {
color: orange;
}
.scale-section.obese {
color: red;
}
.legend {
display: flex;
justify-content: space-between;
margin-top: 10px;
}
.legend-item {
display: flex;
align-items: center;
}
.legend-color {
height: 20px;
width: 20px;
margin-right: 5px;
}
.note {
font-size: 12px;
margin-top: 16px;
}
#calculate-again {
margin-top: 10px;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<iframe src="https://calculators.tools/prompt/d45379e75edc4704cebdd608cfda8c2a/iframe/" width="100%" height="100%" frameborder="0" scrolling="yes" allowfullscreen="true" webkitallowfullscreen="true" mozallowfullscreen="true" allow="midi; geolocation; microphone; camera; display-capture; encrypted-media; clipboard-read; clipboard-write; notifications; payment-handler; persistent-storage; background-sync; ambient-light-sensor; accessibility-events;" sandbox="allow-modals allow-forms allow-scripts allow-same-origin allow-popups allow-downloads allow-presentation allow-pointer-lock allow-orientation-lock" allowfullscreen="true" allowpaymentrequest="true" frameborder="0"></iframe>
<button id="calculate-again" class="btn btn-primary mt-3">Calculate Again</button>
<div class="horizontal-scale">
<div class="scale-section underweight"><span><strong>Underweight</strong></span></div>
<div class="scale-section normal-weight"><span><strong>Normal Weight</strong></span></div>
<div class="scale-section overweight"><span><strong>Overweight</strong></span></div>
<div class="scale-section obese"><span><strong>Obese</strong></span></div>
</div>
<div class="note">Note: BMI is a useful measure for adults. It may not be accurate for athletes, elderly, or children.</div>
</div>
<script type="text/javascript">
try {
document.addEventListener("DOMContentLoaded", function() {
// Get the user's BMI value
var bmiValue = parseFloat(document.getElementById('bmi-value').innerText);
if (bmiValue < 18.5) {
document.querySelector('.scale-section.underweight').classList.add('active');
} else if (bmiValue >= 18.5 && bmiValue < 25) {
document.querySelector('.scale-section.normal-weight').classList.add('active');
} else if (bmiValue >= 25 && bmiValue < 30) {
document.querySelector('.scale-section.overweight').classList.add('active');
} else {
document.querySelector('.scale-section.obese').classList.add('active');
}
$("#calculate-again").click(function() {
// Reload the page to start the calculator from the beginning
location.reload();
});
});
} catch (error) {
throw error;
}
// auto-resize iframe
var observer = new MutationObserver(
function() {
window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight}, "*");
}
);
window.addEventListener('load', function() {
observer.observe(document.body, {attributes: true, childList: true, subtree: true});
window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight}, "*");
});
</script>
</body>
</html>
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