This calculator helps you understand your Body Mass Index (BMI) and how it relates to your resting heart rate. BMI is a measure of body fat based on height and weight. Resting heart rate is the number of times your heart beats per minute when you are at rest. A healthy resting heart rate typically falls between 60 and 100 beats per minute for adults, though it can vary based on fitness level and other factors.
function calculateBMIAndHeartRate() {
var weight = parseFloat(document.getElementById("weight").value);
var height = parseFloat(document.getElementById("height").value);
var age = parseInt(document.getElementById("age").value);
var restingHeartRate = parseInt(document.getElementById("restingHeartRate").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(weight) || isNaN(height) || isNaN(age) || isNaN(restingHeartRate) || weight <= 0 || height <= 0 || age <= 0 || restingHeartRate <= 0) {
resultDiv.innerHTML = "Please enter valid positive numbers for all fields.";
return;
}
// BMI Calculation
var heightInMeters = height / 100;
var bmi = weight / (heightInMeters * heightInMeters);
bmi = bmi.toFixed(2);
var bmiCategory = "";
if (bmi = 18.5 && bmi = 25 && bmi < 29.9) {
bmiCategory = "Overweight";
} else {
bmiCategory = "Obese";
}
// Heart Rate Interpretation (simplified general guidelines)
var heartRateCategory = "";
if (restingHeartRate = 60 && restingHeartRate <= 100) {
heartRateCategory = "Within the normal range";
} else {
heartRateCategory = "Higher than average (could indicate stress, illness, or deconditioning – consult a doctor)";
}
var bmiAndHeartRateInfo = "