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Maximum Heart Rate Calculator

Calculate your maximum heart rate using multiple proven scientific formulas. Compare results from different methods to find the most accurate estimate for your training zones.

Calculate Your Max Heart Rate

Your current age in years

For gender-specific formulas

Understanding Maximum Heart Rate

Maximum heart rate (MHR) is the highest heart rate you can achieve during all-out physical exertion. It's a key metric for setting training zones and monitoring exercise intensity. MHR naturally decreases with age due to physiological changes.

Maximum Heart Rate Formulas Explained

1. Basic Formula (220 - Age)

  • Most Common: Widely used but has limitations
  • Accuracy: ±10-12 beats per minute standard deviation
  • Best For: General population, initial estimates
  • Limitation: Doesn't account for individual variation

2. Tanaka Formula (208 - 0.7 × Age)

  • Research-Based: Based on large meta-analysis
  • Accuracy: More accurate than basic formula
  • Best For: Trained athletes and older adults
  • Advantage: Better for ages 40+

3. Gelish Formula (207 - 0.7 × Age)

  • Similar to Tanaka: Slight variation in constant
  • Accuracy: Comparable to Tanaka method
  • Best For: General athletic population
  • Use Case: Alternative to Tanaka formula

4. Fox Formula (Male/Female Specific)

  • Gender-Specific: Different formulas for men and women
  • Male: 220 - Age
  • Female: 226 - Age
  • Consideration: Accounts for gender differences

How to Use Your Maximum Heart Rate

Once you know your estimated MHR, you can:

  • Set Training Zones: Calculate heart rate training zones
  • Monitor Intensity: Ensure you're training at the right effort
  • Track Fitness: Monitor changes over time
  • Safety: Avoid overexertion during exercise

Limitations of Estimated Max HR

  • Individual Variation: Formulas are population averages
  • Fitness Level: Training status can affect MHR
  • Genetics: Natural variation between individuals
  • Medication: Some medications can affect heart rate

Testing Your Actual Max HR

For the most accurate measurement, consider a supervised max HR test:

  • Professional Test: VO2 max test at sports lab
  • Field Test: Supervised incremental exercise test
  • Race Data: Analyze heart rate from all-out efforts
  • Safety First: Always consult a doctor before max testing