Heart Rate Reserve Calculator

About This Tool

The HRR (Heart Rate Reserve) calculator helps users accurately determine their ideal exercise intensity zones based on their resting and maximum heart rates. By inputting your resting heart rate, maximum heart rate, and desired intensity percentage, the tool computes precise target heart rate ranges for effective aerobic training.

This calculator is valuable for fitness enthusiasts, personal trainers, sports coaches, and health professionals aiming to customize workout intensities to improve cardiovascular health, endurance, or recovery. It simplifies complex calculations into an easy-to-use interface, making high-precision zone determination accessible to all levels.

Supported features include multiple intensity levels, calculation history, and options for exporting data. The tool promotes safe exercise by guiding users toward heart rate zones that match their fitness goals and health conditions.

Whether you're training for a marathon, improving overall fitness, or optimizing recovery, this HRR calculator provides reliable, science-based results to support your fitness journey.

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