Target Heart Rate Zone Calculator

Find out what your heart rate should be at different intensities of exercise: light, moderate, hard, and very hard intensity exercise. The results are based on your age and resting heart rate.

Enter your age:
Enter your resting heart rate:
How do I take my resting heart rate?
  Light Intensity:   –   bpm  
  Moderate Intensity:   –   bpm  
  Hard Intensity:   –   bpm  
  Very Hard Intensity:   –   bpm  

Do not use this calculator if you are taking any medication that may affect your heart rate.

Note: This calculator uses the Karvonen formula and ACSM classifications of exercise intensities.

These are estimates of your heart rate zones and should be used only as a guideline. Each number may vary up to 10+ beats per minute.

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