What is maximum heart rate?

Maximum heart rate (MHR) is the highest number of beats per minute your heart can achieve during maximum physical effort. It is used to set training zones, monitor exercise intensity, and guide cardiovascular fitness programs.

Is the 220-minus-age formula accurate?

The 220-minus-age formula (Fox formula) is a rough estimate and can vary by 10-20 bpm from your true max HR. More recent formulas like Tanaka (208 - 0.7 x age) and Gellish (207 - 0.7 x age) tend to be more accurate, especially for older adults.

How do I find my true maximum heart rate?

The most accurate way is a graded exercise test supervised by a medical professional. Field tests like running an all-out 800m after a warm-up can give a close estimate, but carry risk and should be done cautiously.

Does gender affect maximum heart rate?

Research by Gulati et al. found that women tend to have a slightly different max HR formula (206 - 0.88 x age). This calculator includes the Gulati formula when female is selected, alongside the universal formulas.

Does fitness level affect max heart rate?

Fitness level does not significantly change your maximum heart rate. However, trained athletes often have lower resting heart rates and can sustain higher percentages of their max HR for longer periods.

Why do I need to know my max heart rate?

Knowing your max HR lets you calculate accurate heart rate training zones. This helps you train at the right intensity for your goals — whether that is fat burning, aerobic endurance, or peak performance.

Free Max Heart Rate Calculator

Estimate your maximum heart rate using four validated scientific formulas.

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Enter your age and gender to estimate your maximum heart rate.

Understanding Maximum Heart Rate

Maximum heart rate (MHR) is the highest heart rate an individual can safely achieve through exercise. It's a key metric for setting training zones and monitoring exercise intensity.

Formulas Used

Fox (1971): MHR = 220 - age

Tanaka (2001): MHR = 208 - (0.7 x age)

Gulati (2010, women): MHR = 206 - (0.88 x age)

Gellish (2007): MHR = 207 - (0.7 x age)

Newer formulas (Tanaka, Gellish) are generally more accurate than the classic 220-age formula, particularly for adults over 40. The Gulati formula was developed specifically for women and may provide better estimates for female exercisers.

Max HR by Age (Fox Formula)

AgeEstimated MHR

20200 bpm

30190 bpm

40180 bpm

50170 bpm

60160 bpm

70150 bpm

Medical Disclaimer

These formulas provide estimates only. Your true maximum heart rate can vary by 10-20 bpm. Consult a healthcare provider before starting high-intensity exercise, especially if you have cardiovascular conditions or are over 40 and new to vigorous exercise.

Free Max Heart Rate Calculator

Understanding Maximum Heart Rate

Formulas Used

Max HR by Age (Fox Formula)

Medical Disclaimer

Frequently Asked Questions

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