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Target Heart Rate Calculator

Calculate target heart rate zones for cardio exercise based on age and resting heart rate. Optimize fat burn, aerobic, and anaerobic training zones with Karvonen formula.

Age*

years

Resting Heart Rate*

bpm

Measure first thing in the morning

Fitness Goal

Results

Frequently Asked Questions

What is resting heart rate?+

What is the Karvonen Formula?+

Which heart rate zone is best for weight loss?+

How do I measure my heart rate during exercise?+