Understanding your target heart rate zones can help you optimize your workouts for fat burning. This calculator will help you determine your fat-burning zone based on your age and resting heart rate.
function calculateFatBurningHeartRate() {
var age = parseFloat(document.getElementById("age").value);
var restingHeartRate = parseFloat(document.getElementById("restingHeartRate").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(age) || isNaN(restingHeartRate) || age <= 0 || restingHeartRate = finalUpperBound) {
// If the ranges don't overlap nicely, revert to the HRR based calculation as it's more personalized.
finalLowerBound = fatBurningLowerHRR;
finalUpperBound = fatBurningUpperHRR;
}
resultDiv.innerHTML = "