1. What is Max Heart Rate?

Max Heart Rate (MHR) is the highest number of beats per minute your heart can achieve during maximum physical exertion. The most common estimation is based on the simple formula: 220 minus age.

2. How Does the Calculator Work?

The calculator uses the standard Max Heart Rate equation:

Where:

• \( \text{Age} \) — Age in years

Explanation: This equation provides a rough estimate of maximum heart rate that declines with age.

3. Importance of Max Heart Rate

Details: Knowing your estimated maximum heart rate helps in designing safe and effective exercise programs, particularly for determining appropriate heart rate zones for training.

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 this formula?
A: It's a general estimation. Individual max HR can vary by ±10-20 beats per minute from the calculated value.

Q2: Are there alternative formulas?
A: Yes, some suggest 208 - (0.7 × age) or 211 - (0.64 × age) which may be more accurate for certain populations.

Q3: Why does max HR decrease with age?
A: As we age, changes in heart muscle and the electrical system of the heart lead to a natural decline in maximum heart rate.

Q4: Can I exceed my calculated max HR?
A: It's possible but not recommended. True max HR is best determined through clinical stress testing.

Q5: How should I use this number for exercise?
A: Exercise intensity is often prescribed as a percentage of your max HR (e.g., 50-70% for moderate intensity).