Heart Rate Zone Calculator
Estimate maximum heart rate and common cardio training zones from age.
Max HR Fat burn zone Cardio zone
Free calculator
Simple, fast and clear
Enter your values, review the result, and read the formula used so the calculation is easy to understand.
Heart Rate Zone Calculator
Use the fields below to calculate your result instantly.
Max heart rate0 bpm
Fat burn zone0
Cardio zone0
Training zone estimate
This calculator uses the simple 220 minus age method to estimate maximum heart rate and training zones.
Formula used
Maximum heart rate = 220 - age. Fat burn zone = 60% to 70% of max heart rate. Cardio zone = 70% to 85% of max heart rate.
Important note
Training zones can vary. Athletes and people with medical conditions should use professional guidance.


