Heart Rate Zone Calculator
Optimize your training intensity for better fitness results.
Your Parameters
30
60
Est. Max HR
187
BPM
Why Resting HR?
The Karvonen formula accounts for your current fitness level by using your heart rate reserve (Max HR - Resting HR).
Your Training Zones
Based on the Karvonen formula.
Safety First
These calculations are based on statistical averages. Always consult a healthcare professional before starting an intensive exercise program.
What is a Heart Rate Zone Calculator?
A heart rate zone calculator helps you determine the ideal workout intensity based on your maximum heart rate. Training in different heart rate zones, from very light to maximum effort, allows you to target specific fitness goals such as fat burning, endurance building, or speed improvement. This tool calculates your personal zones so you can train more effectively.
How to Use This Tool
- Choose a Method: Select "Karvonen" for a more accurate calculation that includes your resting heart rate, or "Standard" for a simple age-based estimate.
- Enter Your Details: Adjust the sliders to enter your age and, if using the Karvonen method, your resting heart rate (measured after sitting calmly for several minutes).
- Review Your Zones: The calculator will instantly display your five heart rate zones, showing the beats-per-minute (BPM) range for each.
- Explore the Details: Click on any zone to expand it and learn how the workout should feel and what fitness benefit it targets.