Karvonen Formula Calculator
Calculate your target heart rate for optimal training
Metric
Imperial
Age
Please enter a valid age (15-100)
Gender
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Male
Female
Other
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Weight (kg)
Please enter a valid weight (30-200kg)
Height (cm)
Please enter a valid height (100-250cm)
Weight (pounds)
Please enter a valid weight (65-440lbs)
Height
Feet required
Inches required
Resting Heart Rate (bpm)
Please enter a valid resting HR (40-100bpm)
Exercise Intensity (%)
Please enter intensity between 50-95%
Standard Formula
Adjusted Formula
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Your Results
Max Heart Rate (MHR):
0 bpm
Heart Rate Reserve (HRR):
0 bpm
Target Heart Rate (THR):
0 bpm
Health Recommendations
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Exercise Recommendations:
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