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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.