Enter the number of pulses felt in a 10-second window.
Your Estimated Heart Rate0BPM (Beats Per Minute)
function calculateBPM() {
var pulseCount = document.getElementById("pulseCount").value;
var resultBox = document.getElementById("hrResultBox");
var bpmDisplay = document.getElementById("bpmDisplay");
var categoryDisplay = document.getElementById("categoryDisplay");
if (pulseCount && pulseCount > 0) {
var bpm = Math.round(pulseCount * 6);
bpmDisplay.innerText = bpm;
resultBox.style.display = "block";
var category = "";
var bgColor = "";
var textColor = "#fff";
if (bpm = 60 && bpm 100 && bpm <= 140) {
category = "Elevated / Light Exercise";
bgColor = "#FF9800";
} else {
category = "Tachycardia / High Intensity";
bgColor = "#f44336";
}
categoryDisplay.innerText = category;
categoryDisplay.style.backgroundColor = bgColor;
categoryDisplay.style.color = textColor;
} else {
alert("Please enter a valid number of beats.");
}
}
How to Calculate Heart Rate in 10 Seconds: A Quick Guide
Monitoring your heart rate is one of the simplest and most effective ways to gauge your cardiovascular health and exercise intensity. While counting for a full 60 seconds is the most accurate manual method, the 10-second technique is the gold standard for quick checks, especially during physical activity.
The 10-Second Heart Rate Formula
The logic behind this calculation is simple math. Since there are 60 seconds in a minute, you multiply your 10-second count by 6 to find your Beats Per Minute (BPM).
Formula: (Number of Beats in 10 Seconds) × 6 = BPM
How to Find Your Pulse
To use this calculator effectively, you must first locate your pulse. There are two primary locations:
Radial Pulse (Wrist): Place your index and middle fingers on the underside of your opposite wrist, just below the base of the thumb. Press lightly until you feel the rhythmic thumping.
Carotid Pulse (Neck): Place your index and middle fingers on the side of your neck, just beside your windpipe in the soft hollow area.
Step-by-Step Instructions
Find a stopwatch or a clock with a second hand.
Locate your pulse using the radial or carotid method.
Start counting the beats exactly when the timer starts.
Stop counting at the 10-second mark.
Enter that number into the calculator above or multiply it by 6.
Normal Heart Rate Ranges
Category
Beats Per Minute (BPM)
Athletes / Well-trained
40 – 60 BPM
Sedentary Adults (Normal)
60 – 100 BPM
Target Heart Rate (Exercise)
100 – 170 BPM
High Intensity / Maximum
170+ BPM
Calculation Examples
Example 1 (Resting): You count 11 beats in 10 seconds. Calculation: 11 × 6 = 66 BPM. This is within the normal healthy resting range.
Example 2 (Post-Jog): You count 24 beats in 10 seconds. Calculation: 24 × 6 = 144 BPM. This indicates you are in a moderate aerobic exercise zone.
Why Use the 10-Second Method?
The 10-second method is preferred over the 6-second or 15-second method for specific reasons. A 6-second count (multiplying by 10) is very fast but carries a high margin of error—if you miss just one beat, your result is off by 10 BPM. A 15-second count (multiplying by 4) is more accurate but takes longer. The 10-second window provides the best balance of speed and statistical reliability for daily monitoring.
Disclaimer: This calculator is for informational purposes only. If you experience palpitations, dizziness, or chest pain, please consult a medical professional immediately.