Heart Rate Zone Calculator
Find max heart rate and fat-burn, cardio, and peak training zones.
Calculate training heart rate zones.
How to use
- Enter your age or known max heart rate.
- View calculated heart rate zones for training.
- Use zone percentages to plan workouts.
- Adjust based on fitness level and doctor guidance.
About Heart Rate Zone Calculator
Calculate training heart rate zones.
Runs in your browser — your files and input stay on your device.
Frequently asked questions
How is max heart rate estimated?
Often age-based formulas such as 220 minus age unless you enter a measured max.
Should I train without medical clearance?
Consult a doctor before starting intense exercise if you have health conditions.
Is data stored?
No.