Resting Heart Rate Calculator by Age

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Resting Heart Rate Calculator

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function calculateRHR() { var age = document.getElementById("userAge").value; var gender = document.getElementById("userGender").value; var bpm = document.getElementById("userBPM").value; var resultDiv = document.getElementById("rhr-result"); var label = document.getElementById("status-label"); var desc = document.getElementById("status-description"); if (!age || !bpm || age <= 0 || bpm <= 0) { alert("Please enter valid positive numbers for Age and BPM."); return; } age = parseFloat(age); bpm = parseFloat(bpm); var category = ""; var bgColor = ""; var textColor = "#fff"; // Logic for Children if (age = 100 && bpm <= 160) { category = "Normal (Infant)"; bgColor = "#27ae60"; } else if (bpm = 1 && age = 70 && bpm <= 120) { category = "Normal (Child)"; bgColor = "#27ae60"; } else if (bpm < 70) { category = "Low (Child)"; bgColor = "#f1c40f"; } else { category = "High (Child)"; bgColor = "#e67e22"; } } else { // Logic for Adults (10+) based on fitness levels if (gender === "male") { if (bpm < 50) { category = "Athlete Level"; bgColor = "#2980b9"; } else if (bpm <= 61) { category = "Excellent"; bgColor = "#27ae60"; } else if (bpm <= 65) { category = "Good"; bgColor = "#2ecc71"; } else if (bpm <= 73) { category = "Average"; bgColor = "#f1c40f"; textColor = "#333"; } else if (bpm <= 81) { category = "Below Average"; bgColor = "#e67e22"; } else { category = "Poor"; bgColor = "#c0392b"; } } else { if (bpm < 54) { category = "Athlete Level"; bgColor = "#2980b9"; } else if (bpm <= 64) { category = "Excellent"; bgColor = "#27ae60"; } else if (bpm <= 68) { category = "Good"; bgColor = "#2ecc71"; } else if (bpm <= 76) { category = "Average"; bgColor = "#f1c40f"; textColor = "#333"; } else if (bpm 100 && age > 10) { feedback = "Your heart rate is high (Tachycardia). If this persists while resting, consult a healthcare provider."; } else if (bpm 10 && category !== "Athlete Level") { feedback = "Your heart rate is below 60 BPM. This is common in athletes but can be a sign of Bradycardia in others."; } else { feedback = "This measurement reflects your heart's efficiency at rest. Keep tracking daily for better accuracy."; } desc.innerHTML = feedback; desc.style.color = textColor; }

Understanding Your Resting Heart Rate (RHR)

Your resting heart rate (RHR) is the number of times your heart beats per minute (BPM) while you are at complete rest. It is a vital indicator of your cardiovascular health and overall fitness levels. While a standard heart rate is generally considered to be between 60 and 100 BPM for adults, various factors such as age, sex, and activity levels can influence these numbers.

How to Use the Resting Heart Rate Calculator

To get an accurate reading from the calculator above, follow these steps:

  1. Rest First: Ensure you have been sitting or lying down quietly for at least 5 to 10 minutes. Avoid caffeine or exercise for at least 2 hours before measuring.
  2. Measure Your Pulse: Use two fingers on your wrist (radial pulse) or neck (carotid pulse). Count the beats for 60 seconds.
  3. Input Data: Enter your age, sex, and the BPM count into the calculator to see where you stand according to fitness industry standards.

Normal Resting Heart Rate by Age Chart

Resting heart rates fluctuate significantly as we age. Infants have very high heart rates because their bodies are growing rapidly, whereas adults tend to have stabilized rates.

Age Group Normal Range (BPM)
Newborns (0-1 month) 70 – 190
Infants (1-11 months) 80 – 160
Children (1-10 years) 70 – 120
Adults (10+ years) 60 – 100
Well-trained Athletes 40 – 60

Factors That Affect Your Heart Rate

If your results are "Below Average" or "Poor," don't panic. Several temporary factors can elevate your BPM:

  • Stress and Anxiety: Emotional stress triggers the release of adrenaline, which increases heart rate.
  • Temperature: When temperatures or humidity rise, the heart pumps a bit more blood, so your pulse rate may increase.
  • Body Position: Resting, sitting, or standing—your pulse is usually the same, but if you stand up suddenly, it might spike for a few seconds.
  • Medications: Beta-blockers can slow the heart, while some cold medications or stimulants can speed it up.

When to See a Doctor

While this calculator provides a general baseline, it is not a diagnostic tool. You should consult a medical professional if:

  • Your resting heart rate is consistently above 100 BPM (Tachycardia).
  • Your heart rate is consistently below 60 BPM and you are NOT an athlete or feeling fatigued/dizzy (Bradycardia).
  • You notice an irregular heart rhythm (skipping beats or fluttering sensations).

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