1. What is the Garmin Max Heart Rate Formula?

The Garmin default formula for calculating maximum heart rate (MHR) is a simple age-based equation: MHR = 220 - Age. This formula provides a general estimate of an individual's maximum heart rate based on their age.

2. How Does the Calculator Work?

The calculator uses the Garmin default formula:

Where:

• \( MHR \) — Maximum Heart Rate (beats per minute)
• \( Age \) — Age in years

Explanation: This formula provides a general estimate of maximum heart rate that decreases with age, though individual variations exist.

3. Importance of MHR Calculation

Details: Knowing your maximum heart rate is essential for establishing effective heart rate training zones, monitoring exercise intensity, and optimizing workout effectiveness.

4. Using the Calculator

Tips: Simply enter your age in years. The value must be valid (between 1-120 years).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the 220 - Age formula?
A: This formula provides a general estimate but may not be accurate for all individuals. Actual maximum heart rate can vary by ±10-12 beats per minute.

Q2: Are there alternative formulas for MHR?
A: Yes, other formulas exist such as Tanaka (208 - 0.7 × age) and Gulati (206 - 0.88 × age for women), which may be more accurate for certain populations.

Q3: How should I use my MHR for training?
A: MHR is used to calculate training zones (e.g., 60-70% for fat burning, 70-80% for aerobic, 80-90% for anaerobic threshold).

Q4: Can medications affect my maximum heart rate?
A: Yes, certain medications like beta-blockers can lower your maximum heart rate, making these formulas less accurate.

Q5: Is there a more accurate way to determine my MHR?
A: The most accurate method is a supervised maximal exercise test conducted by medical professionals or exercise physiologists.