Calcly.in

Heart Rate Calculator

Find your Target Heart Rate Zones using the Karvonen Formula for effective cardio training.

Cardio Stats

Target Heart Rate Zones

Max Heart Rate190 bpm
Fat Burn Zone60-70% Intensity
142 - 154 bpm
Cardio Zone70-80% Intensity
154 - 166 bpm
Peak Zone80-90% Intensity
166 - 178 bpm

Train Smarter

Don’t just run. Train in the right zone to achieve your specific goals, whether it is fat loss, endurance, or peak performance.

Frequently Asked Questions

What is Fat Burn Zone?

It is a lower intensity zone where the body primarily uses fat for fuel (approx 60-70% of Max HR).