1. What is Maximum Heart Rate (MHR)?

Maximum Heart Rate (MHR) is the highest number of beats per minute your heart can achieve during maximum physical exertion. The most commonly used formula for estimating MHR is 220 minus age.

2. How Does the Calculator Work?

The calculator uses the MHR equation:

Where:

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

Explanation: This formula provides a simple estimation of maximum heart rate based on age, which is widely used for exercise intensity prescription.

3. Importance of MHR Calculation

Details: Knowing your maximum heart rate helps in designing effective exercise programs, determining appropriate training zones, and ensuring safe exercise intensity levels.

4. Using the Calculator

Tips: Enter your age in years. The value must be valid (age between 1-120). The calculator will provide your estimated maximum heart rate.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the 220-age formula?
A: While widely used, this formula provides a general estimation. Individual maximum heart rates can vary by ±10-12 beats per minute from the predicted value.

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

Q3: How should I use my MHR for exercise?
A: MHR is used to calculate target heart rate zones for different types of training (e.g., 50-70% for fat burning, 70-85% for cardiovascular training).

Q4: Can medications affect my maximum heart rate?
A: Yes, certain medications like beta-blockers can lower your maximum heart rate. Consult with your healthcare provider for personalized advice.

Q5: Is it safe to exercise at my maximum heart rate?
A: For most healthy individuals, brief periods at maximum heart rate are safe, but sustained exercise at this intensity should be approached with caution and proper training.