Target Heart Rate Zone Calculator
Target Heart Rate Calculator – Karvonen Zones
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About Target Heart Rate Zone Calculator
A Heart Rate Zone Calculator defines training intensity bands (Zones 1 to 5) to help target specific cardiovascular goals.
How It Works
Using age and resting heart rate metrics, the tool calculates target heart rates based on both Karvonen Heart Rate Reserve (HRR) and standard maximum percentages.
How to Use Target Heart Rate Zone Calculator
- Input your current age and resting heart rate.
- Toggle between the Karvonen formula and the Tanaka Max HR percentage method.
- Review the visual breakdown showing warm-up, fitness, aerobic, threshold, and VO2-max heart rates.
FAQ
What is heart rate reserve?
The difference between your maximum heart rate and your resting heart rate.
Under the hood
Applies Karvonen and Tanaka maximum heart rate formulas based on age and resting pulse.
Engineered by HaorGrix