BMI Calculator
Sep 15, 2023
v.0
Calculate your Body Mass Index (BMI) with this interactive BMI calculator. Calculator Health Bmi Body mass index Weight Height

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Bugs  
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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.

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 Body Mass Index (BMI) with this interactive BMI calculator.">
<meta name="keywords" content="BMI, Body Mass Index, health, weight, height, 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/css2?family=Roboto:wght@400;700&display=swap" rel="stylesheet">

<script type="text/javascript">
try {
// App Javascript Goes Here. Place your entire script content inside the try block for error handling.

// This will run when the DOM is ready.
document.addEventListener("DOMContentLoaded", function() {
// Initialize user interface elements
const heightSlider = document.getElementById("height-slider");
const weightSlider = document.getElementById("weight-slider");
const bmiResult = document.getElementById("bmi-result");
const bmiInterpretation = document.getElementById("bmi-interpretation");
const unitSelector = document.getElementById("unit-selector");

const metricContainer = document.getElementById("metric-container");
const imperialContainer = document.getElementById("imperial-container");

// Initialize default values
let heightValue = 175;
let weightValue = 70;

// Function to calculate BMI
function calculateBMI() {
let bmi = 0;
let height = 0;
let weight = 0;

// Check if metric or imperial unit is selected
if (unitSelector.value === "metric") {
height = heightSlider.value;
weight = weightSlider.value;

// Calculate BMI using metric formula
bmi = weight / Math.pow(height / 100, 2);
} else {
// Convert imperial height to inches
const feet = parseInt(document.getElementById("feet-selector").value);
const inches = parseInt(document.getElementById("inches-selector").value);
height = feet * 12 + inches;
weight = weightSlider.value;

// Calculate BMI using imperial formula
bmi = (weight / Math.pow(height, 2)) * 703;
}

// Display BMI result
bmiResult.textContent = bmi.toFixed(2);

// Interpret BMI value
if (bmi < 18.5) {
bmiInterpretation.textContent = "Underweight";
} else if (bmi < 24.9) {
bmiInterpretation.textContent = "Normal weight";
} else if (bmi < 29.9) {
bmiInterpretation.textContent = "Overweight";
} else {
bmiInterpretation.textContent = "Obese";
}
}

// Event listener for unit selector change
unitSelector.addEventListener("change", function() {
if (unitSelector.value === "metric") {
metricContainer.style.display = "block";
imperialContainer.style.display = "none";
} else {
metricContainer.style.display = "none";
imperialContainer.style.display = "block";
}

calculateBMI();
});

// Event listener for height slider change
heightSlider.addEventListener("input", function() {
calculateBMI();
});

// Event listener for weight slider change
weightSlider.addEventListener("input", function() {
calculateBMI();
});
});

} catch (error) {
// This will throw the error to the parent window.
throw error;
}
</script>

<style>
body {
font-family: 'Roboto', sans-serif;
background-color: #f8f8f8;
margin: 0;
padding: 0;
}

.container {
max-width: 600px;
margin: 0 auto;
padding: 20px;
}

h1 {
font-size: 24px;
font-weight: bold;
margin-bottom: 30px;
text-align: center;
}

.form-group {
margin-bottom: 20px;
}

.form-group label {
font-weight: bold;
margin-bottom: 10px;
}

.slider {
width: 100%;
}

.result-container {
text-align: center;
margin-top: 30px;
}

.result-container h2 {
font-size: 18px;
font-weight: bold;
margin-bottom: 10px;
}

.result-container p {
font-size: 16px;
margin: 0;
}
</style>

<link rel="canonical" href="https://calculator.tools/app/bmi-calculator-91/">
<meta charset="utf-8">

</head>
<body>
<div id="main-container" class="container">
<h1>BMI Calculator</h1>

<div class="form-group">
<label for="unit-selector">Unit of Measurement:</label>
<select id="unit-selector">
<option value="metric">Metric (Height in cm, Weight in kg)</option>
<option value="imperial">Imperial (Height in feet/inches, Weight in lbs)</option>
</select>
</div>

<div id="metric-container">
<div class="form-group">
<label for="height-slider">Height (cm):</label>
<input type="range" id="height-slider" class="slider" min="140" max="210" value="175" step="1">
</div>

<div class="form-group">
<label for="weight-slider">Weight (kg):</label>
<input type="range" id="weight-slider" class="slider" min="40" max="200" value="70" step="1">
</div>
</div>

<div id="imperial-container" style="display: none;">
<div class="form-group">
<label for="feet-selector">Height (feet):</label>
<select id="feet-selector">
<option value="4">4</option>
<option value="5" selected>5</option>
<option value="6">6</option>
</select>
</div>

<div class="form-group">
<label for="inches-selector">Height (inches):</label>
<select id="inches-selector">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6" selected>6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
</select>
</div>

<div class="form-group">
<label for="weight-slider">Weight (lbs):</label>
<input type="range" id="weight-slider" class="slider" min="88" max="440" value="150" step="1">
</div>
</div>

<div class="result-container">
<h2>BMI:</h2>
<p id="bmi-result">0</p>
<h2>Interpretation:</h2>
<p id="bmi-interpretation"></p>
</div>
</div>
<script type="text/javascript"> var localStoragePrefix = "ct-91"; 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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