Sep 15, 2023
v.0
Versions
Bugs
None!
Get This App On Your Website
1. Copy the code above with the iframe and link.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
Javascript, HTML, CSS Code
<html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>
<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 BMI (Body Mass Index) with this simple and easy-to-use BMI Calculator.">
<meta name="keywords" content="BMI, Body Mass Index, Calculator, Health, Fitness">
<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/css2?family=Roboto:wght@400;700&display=swap" rel="stylesheet">
<style>
body {
font-family: 'Roboto', sans-serif;
background-color: #f4f4f4;
padding: 20px;
}
.container {
max-width: 400px;
margin: auto;
background-color: #fff;
padding: 20px;
border-radius: 8px;
}
h1 {
text-align: center;
color: #333;
}
.unit-selection, .input {
margin-bottom: 15px;
}
button {
width: 100%;
padding: 10px;
background-color: #64B5F6;
border: none;
color: white;
cursor: pointer;
border-radius: 4px;
font-weight: 700;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #42A5F5;
}
.result {
margin-top: 20px;
}
.category {
color: #333;
font-weight: 700;
margin-top: 10px;
}
.notes {
margin-top: 20px;
color: #666;
font-size: 14px;
}
.notes p {
margin-bottom: 10px;
}
.restart {
margin-top: 20px;
text-align: center;
}
.restart button {
background-color: #888;
transition: background-color 0.3s ease;
}
.restart button:hover {
background-color: #666;
}
</style>
<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.
function calculateBMI() {
const unit = document.querySelector('input[name="unit"]:checked').value;
const height = parseFloat(document.getElementById('height').value);
const weight = parseFloat(document.getElementById('weight').value);
let bmi;
if (unit === "metric") {
bmi = weight / ((height / 100) ** 2);
} else {
bmi = (weight / (height ** 2)) * 703;
}
const result = document.getElementById('bmi-result');
const category = document.getElementById('bmi-category');
result.textContent = `Your BMI: ${bmi.toFixed(2)}`;
if (bmi < 18.5) {
category.textContent = "Category: Underweight";
} else if (bmi < 24.9) {
category.textContent = "Category: Normal weight";
} else if (bmi < 29.9) {
category.textContent = "Category: Overweight";
} else {
category.textContent = "Category: Obese";
}
}
function restart() {
document.getElementById('height').value = "";
document.getElementById('weight').value = "";
document.getElementById('bmi-result').textContent = "";
document.getElementById('bmi-category').textContent = "";
}
// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
const calculateButton = document.getElementById('calculate-button');
calculateButton.addEventListener('click', calculateBMI);
const restartButton = document.getElementById('restart-button');
restartButton.addEventListener('click', restart);
});
} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>
<link rel="canonical" href="https://calculator.tools/app/bmi-calculator-99/">
<meta charset="utf-8">
</head>
<body>
<div id="main-container" class="container">
<h1>BMI Calculator</h1>
<!-- Unit Selection -->
<div class="unit-selection">
<label>
<input type="radio" name="unit" value="metric" checked> METRIC (Height in cm & Weight in kg)
</label>
<label>
<input type="radio" name="unit" value="imperial"> IMPERIAL (Height in feet/inches & Weight in lbs)
</label>
</div>
<!-- Height and Weight Input -->
<div class="input">
<div class="height-input">
<label for="height">Height:</label>
<input type="number" id="height" min="140" max="210" step="1"> cm
</div>
<div class="weight-input">
<label for="weight">Weight:</label>
<input type="number" id="weight" min="40" max="200" step="0.1"> kg
</div>
</div>
<!-- Calculate Button -->
<button id="calculate-button">Calculate</button>
<!-- Display Results -->
<div class="result">
<p id="bmi-result"></p>
<p id="bmi-category" class="category"></p>
</div>
<!-- Notes & Warnings -->
<div class="notes">
<p>Note: BMI is a simple measure and might not reflect the health status of certain individuals like athletes or elderly.</p>
<p>Warning: This calculator is designed for adults. It may not be accurate for children and teens without specific age and gender data.</p>
</div>
<!-- Restart Option -->
<div class="restart">
<button id="restart-button">Calculate Again</button>
</div>
</div>
<script type="text/javascript"> var localStoragePrefix = "ct-99"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); 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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