function calculateVitalityPoints() {
// Get input values using specific IDs
var ageInput = document.getElementById('vitalityAge');
var hrInput = document.getElementById('avgHeartRate');
var durationInput = document.getElementById('workoutDuration');
// Parse values
var age = parseInt(ageInput.value);
var avgHR = parseInt(hrInput.value);
var duration = parseInt(durationInput.value);
// Validation
if (isNaN(age) || isNaN(avgHR) || isNaN(duration)) {
alert("Please enter valid numbers for Age, Heart Rate, and Duration.");
return;
}
if (age < 0 || avgHR < 0 || duration = 70 && duration >= 30) {
points = 100;
classification = "Vigorous Activity";
} else if (intensityPercent >= 60 && duration >= 60) {
points = 100;
classification = "Extended Moderate Activity";
} else if (intensityPercent >= 60 && duration >= 30) {
points = 50;
classification = "Standard Moderate Activity";
} else {
// Check why they failed for feedback
if (intensityPercent < 60) {
classification = "Intensity too low (<60% MHR)";
} else if (duration < 30) {
classification = "Duration too short (<30 mins)";
}
}
// Display Results
document.getElementById('resMHR').innerText = maxHeartRate + " BPM";
document.getElementById('resIntensity').innerText = intensityPercent.toFixed(1) + "% of Max";
document.getElementById('resPoints').innerText = points + " Points";
document.getElementById('resClassification').innerText = classification;
// Show result container
document.getElementById('resultContainer').style.display = "block";
}
Understanding Your Vitality Heart Rate Points
The Vitality program rewards members for staying active by tracking physical activity through compatible devices. One of the most common ways to earn points is by monitoring your heart rate during workouts. This calculator helps you estimate how many points you will earn based on your age, average heart rate, and workout duration.
How Points Are Calculated
Vitality points for heart rate activity are based on the intensity of your workout relative to your estimated Maximum Heart Rate (MHR). The standard formula used to estimate MHR is 220 minus your age.
Once your MHR is established, points are awarded based on hitting specific intensity thresholds for a set duration:
50 Points (Moderate Activity): You must maintain an average heart rate of at least 60% of your MHR for a continuous 30 minutes.
100 Points (Vigorous Activity): You must maintain an average heart rate of at least 70% of your MHR for a continuous 30 minutes.
100 Points (Extended Moderate): Alternatively, maintaining 60% of your MHR for 60 minutes or longer also awards the maximum daily points.
Scenario: You go for a 35-minute run with an average heart rate of 130 BPM.
Result: Since 130 BPM is above your 70% threshold (126 BPM) and you exercised for more than 30 minutes, you earn 100 Points.
Why Heart Rate Training Matters
Beyond earning rewards, tracking your heart rate is an excellent way to gauge cardiovascular health. "Moderate" activity (60-70% MHR) helps build endurance and burn fat, while "Vigorous" activity (70-85% MHR) improves cardiovascular capacity and aerobic fitness.
Tips for Maximizing Points
Wear Your Device Tight Enough: Wrist-based optical heart rate monitors need a snug fit to read accurately during intense movement.
Warm Up: Ensure your heart rate reaches the threshold quickly. If you spend the first 10 minutes walking at 50%, it might drag your average down for the total duration.
Check the App: Sync your device immediately after your workout to ensure the data is captured correctly.
Frequently Asked Questions
Is there a limit to how many points I can earn?
Yes, most Vitality programs cap physical activity points at 100 points per day. You cannot stack heart rate points with step count points; the system usually awards the higher of the two.
What devices are compatible?
Common devices include Garmin, Apple Watch, Fitbit, Polar, and Suunto. Ensure your specific device model supports heart rate broadcasting to the Vitality app.