Target Heart Rate Calculator (Karvonen) | HealthCalculum
Calculate target heart rate for exercise using the Karvonen Formula.
Important Medical Disclaimer
This calculator is an educational and clinical decision support tool. Results DO NOT replace professional medical evaluation, laboratory tests, or clinical judgment. Always consult a qualified healthcare professional for diagnosis, treatment, and clinical decisions. Calculations are based on scientifically validated formulas but may not be applicable to all patients.
Calculate
What is Target HR?
Detailed description of the calculator and its clinical importance.
Formula: THR = (Max HR - Resting HR) × (Intensity / 100) + Resting HR
How to Calculate?
Explanation of the calculation method and formulas used.
Intensity Zones
Limitations
Important limitations and considerations about using this calculator.
Frequently Asked Questions
How to use this calculator?
Fill in the required fields and click calculate.
Related Topics
- Related topic 1
- Related topic 2
Scientific References
- 1. Karvonen MJ, Kentala E, Mustala O. The effects of training on heart rate; a longitudinal study. Ann Med Exp Biol Fenn. 1957;35(3):307-315.
- 2. American College of Sports Medicine. ACSM's Guidelines for Exercise Testing and Prescription. 10th ed. Philadelphia: Wolters Kluwer; 2018.
- 3. Swain DP, Leutholtz BC. Heart rate reserve is equivalent to %VO2 reserve, not to %VO2max. Med Sci Sports Exerc. 1997;29(3):410-414.
- 4. Tanaka H, Monahan KD, Seals DR. Age-predicted maximal heart rate revisited. J Am Coll Cardiol. 2001;37(1):153-156.