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Max Predicted HR Calculator

Max HR Formula:

\[ \text{Max HR} = 220 - \text{Age} \]

years

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1. What is Max Heart Rate?

Max Heart Rate (HR) is the highest number of beats per minute your heart can achieve during maximal physical exertion. The most common formula to estimate it is 220 minus your age.

2. How Does the Calculator Work?

The calculator uses the standard Max HR equation:

\[ \text{Max HR} = 220 - \text{Age} \]

Where:

Explanation: This simple formula provides a general estimate of your maximum heart rate based on age.

3. Importance of Max HR Calculation

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

4. Using the Calculator

Tips: Simply enter your age in years. The value must be between 1 and 120.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the 220-age formula?
A: It's a general estimate. Individual variations exist, and actual max HR can be 10-20 beats higher or lower than predicted.

Q2: Are there alternative formulas?
A: Yes, some suggest 208 - (0.7 × age) or other variations, but 220-age remains the most widely used.

Q3: Does max HR change with fitness level?
A: No, max HR is largely genetically determined and declines with age, regardless of fitness.

Q4: How is max HR used in training?
A: It's used to calculate training zones (e.g., 60-70% of max HR for fat burning, 70-80% for aerobic).

Q5: Should everyone use the same formula?
A: Some populations (elderly, athletes) might benefit from more specific formulas, but 220-age is a good starting point.

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