Maximum Aerobic Heart Rate Calculator
Your maximum aerobic heart rate is the highest heart rate you can achieve during aerobic exercise. It's a crucial metric for understanding your cardiovascular fitness and for setting appropriate training zones. A common and simple method to estimate your maximum heart rate is the "220 minus your age" formula.
Age (Years):
Calculate Maximum Heart Rate
.calculator-container {
font-family: sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 400px;
margin: 20px auto;
background-color: #f9f9f9;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
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.calculator-container h2 {
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padding: 8px;
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border-radius: 4px;
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button {
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width: 100%;
padding: 10px 15px;
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border-radius: 4px;
cursor: pointer;
font-size: 16px;
transition: background-color 0.2s ease;
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button:hover {
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.result-section {
margin-top: 20px;
padding: 15px;
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border: 1px solid #b3d7fc;
border-radius: 4px;
text-align: center;
font-size: 18px;
color: #004085;
font-weight: bold;
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function calculateMaxHeartRate() {
var ageInput = document.getElementById("age");
var resultDiv = document.getElementById("result");
var age = parseFloat(ageInput.value);
if (isNaN(age) || age <= 0) {
resultDiv.innerHTML = "Please enter a valid age.";
return;
}
// Formula: Maximum Heart Rate = 220 – Age
var maxHeartRate = 220 – age;
resultDiv.innerHTML = "Your estimated maximum aerobic heart rate is: " + maxHeartRate + " bpm";
}