Resting Heart Rate Calculator
Your resting heart rate (RHR) is the number of times your heart beats per minute when you are completely at rest. It's a key indicator of your cardiovascular fitness. A lower RHR generally suggests a more efficient heart and better overall cardiovascular health.
Number of Heartbeats:
Time in Minutes:
Calculate Resting Heart Rate
function calculateRHR() {
var beatsInput = document.getElementById("beats");
var minutesInput = document.getElementById("minutes");
var resultDiv = document.getElementById("result");
var beats = parseFloat(beatsInput.value);
var minutes = parseFloat(minutesInput.value);
if (isNaN(beats) || isNaN(minutes) || minutes <= 0) {
resultDiv.innerHTML = "Please enter valid numbers for heartbeats and minutes (minutes must be greater than 0).";
return;
}
var restingHeartRate = beats / minutes;
resultDiv.innerHTML = "Your Resting Heart Rate is:
" + restingHeartRate.toFixed(0) + " bpm ";
}
#restingHeartRateCalculator {
font-family: sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 400px;
margin: 20px auto;
background-color: #f9f9f9;
}
#restingHeartRateCalculator h2 {
text-align: center;
margin-bottom: 15px;
color: #333;
}
#restingHeartRateCalculator p {
margin-bottom: 15px;
line-height: 1.5;
color: #555;
}
.input-group {
margin-bottom: 15px;
display: flex;
flex-direction: column;
}
.input-group label {
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.input-group input {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1em;
}
#restingHeartRateCalculator button {
display: block;
width: 100%;
padding: 12px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 1.1em;
cursor: pointer;
transition: background-color 0.3s ease;
}
#restingHeartRateCalculator button:hover {
background-color: #0056b3;
}
#result {
margin-top: 20px;
text-align: center;
font-size: 1.2em;
color: #333;
}
#result p {
margin: 0;
}
#result strong {
color: #28a745;
}