Heart Rate Zone Calculator

Calculate training heart rate zones for exercise.

About Heart Rate Zone Calculator

Find your target heart rate zones for fat burn, cardio, and peak training based on age and resting heart rate using the Karvonen method.

How to Use Heart Rate Zone Calculator

  1. Enter your data in the input field above
  2. Configure any options as needed
  3. Click the action button to process
  4. Copy or download your results

Benefits of Heart Rate Zone Calculator

  • Completely free to use with no registration required
  • Works instantly in your browser - no downloads needed
  • Your data is processed locally for privacy
  • Mobile-friendly and works on all devices
  • No limits on usage

Frequently Asked Questions

Calculate training heart rate zones for exercise.

Yes, Heart Rate Zone Calculator is completely free to use. No registration or payment is required.

Yes, your data is processed in your browser and is not stored on our servers.