Calculate Heart Rate for Exercise

.exercise-heart-rate-calculator { font-family: sans-serif; border: 1px solid #ccc; padding: 20px; border-radius: 8px; max-width: 600px; margin: 20px auto; background-color: #f9f9f9; } .exercise-heart-rate-calculator label { display: block; margin-bottom: 8px; font-weight: bold; color: #333; } .exercise-heart-rate-calculator input[type="number"] { width: calc(100% – 22px); padding: 10px; margin-bottom: 15px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } .exercise-heart-rate-calculator button { background-color: #4CAF50; color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; transition: background-color 0.3s ease; } .exercise-heart-rate-calculator button:hover { background-color: #45a049; } .exercise-heart-rate-calculator #calculation-result { margin-top: 20px; padding: 15px; border: 1px solid #eee; background-color: #fff; border-radius: 4px; text-align: center; font-size: 1.1em; color: #555; } .exercise-heart-rate-calculator h3 { color: #4CAF50; margin-bottom: 15px; text-align: center; } .exercise-heart-rate-calculator p { line-height: 1.6; color: #444; margin-bottom: 20px; } .exercise-heart-rate-calculator ul { list-style-type: disc; margin-left: 20px; margin-bottom: 20px; } .exercise-heart-rate-calculator li { margin-bottom: 10px; }

Exercise Heart Rate Calculator

Understanding your target heart rate zones is crucial for effective and safe exercise. Whether you're aiming for fat burning, improved cardiovascular health, or peak performance, knowing your heart rate helps you stay within the optimal intensity range. This calculator helps you estimate your maximum heart rate and then determine your target heart rate zones for different training intensities.

How to Calculate Your Target Heart Rate Zones:

  • Estimate Maximum Heart Rate (MHR): A common formula is 220 minus your age.
  • Determine Target Heart Rate (THR) Zones: These zones are typically expressed as a percentage of your MHR.
    • Moderate Intensity (Fat Burning): 50% to 70% of MHR
    • Vigorous Intensity (Cardio Fitness): 70% to 85% of MHR
    • Peak Intensity (Performance): 85% to 95% of MHR
Moderate (50-70%) Vigorous (70-85%) Peak (85-95%)
function calculateHeartRate() { var ageInput = document.getElementById("age"); var intensitySelect = document.getElementById("intensity"); var resultDiv = document.getElementById("calculation-result"); var age = parseFloat(ageInput.value); var intensity = intensitySelect.value; resultDiv.innerHTML = ""; // Clear previous results if (isNaN(age) || age 120) { resultDiv.innerHTML = "Please enter a valid age."; return; } // Estimate Maximum Heart Rate (MHR) var maxHeartRate = 220 – age; var lowerBound = 0; var upperBound = 0; var intensityDescription = ""; switch (intensity) { case "moderate": lowerBound = maxHeartRate * 0.50; upperBound = maxHeartRate * 0.70; intensityDescription = "Moderate Intensity (Fat Burning)"; break; case "vigorous": lowerBound = maxHeartRate * 0.70; upperBound = maxHeartRate * 0.85; intensityDescription = "Vigorous Intensity (Cardio Fitness)"; break; case "peak": lowerBound = maxHeartRate * 0.85; upperBound = maxHeartRate * 0.95; intensityDescription = "Peak Intensity (Performance)"; break; } resultDiv.innerHTML = "

Your Estimated Target Heart Rate Zone:

" + "Estimated Maximum Heart Rate (MHR): " + maxHeartRate.toFixed(0) + " bpm" + "For " + intensityDescription + ":" + "Target Heart Rate (THR) Range: " + lowerBound.toFixed(0) + " – " + upperBound.toFixed(0) + " bpm" + "Remember, these are estimates. Consult a healthcare professional for personalized advice."; }

Leave a Comment