Target Heart Rate Calculator
Find your ideal heart rate zone for fat burning or cardio training.
How to Use This Calculator
- Enter your details in the fields above — all fields are used only in your browser, nothing is stored or sent anywhere.
- Double-check your units (cm/kg) before submitting for the most accurate result.
- Click Calculate to see your personalized result instantly.
- Results are estimates based on established formulas — for medical decisions, always confirm with a healthcare professional.
Frequently Asked Questions
What is a target heart rate zone?
It's the heart rate range (as a % of your max) where cardiovascular training is most effective, calculated using the Karvonen formula.