Target Heart Rate Calculator

Estimate a personalized exercise heart-rate range using your age and resting heart rate with the Karvonen method.

Calculate Your Target Zone

This calculator estimates a general training range. Medications, heart conditions and individual fitness levels can change an appropriate exercise heart rate.

Maintained by Live Fitness Check. Last updated: August 9, 2026. How we test our calculators .

About This Calculator

Target Heart Rate Calculator estimates an exercise target-heart-rate range from age and resting heart rate. It is designed to give a quick, understandable estimate from age and resting heart rate so the result can be used as a starting point for learning, tracking or a more informed discussion.

Methodology

Inputs used: Age and resting heart rate.
Calculation approach: The calculator uses age-based maximum-heart-rate estimation and the heart-rate-reserve approach configured in the live calculator to calculate training zones.
Interpretation: Results are presented as an estimate and should be read together with the limitations described below.

Sources

American Heart Association — Target Heart Rates: https://www.heart.org/en/healthy-living/exercise-and-physical-activity/fitness-basics/target-heart-rates

Disclaimer

This calculator is for general informational and educational use. Medications, heart conditions and individual fitness can substantially alter safe exercise heart-rate targets. Do not use the result as a diagnosis, emergency assessment, or a replacement for advice from an appropriately qualified health professional when medical decisions are involved.

Frequently Asked Questions

What does the Target Heart Rate Calculator estimate?

Estimates an exercise target-heart-rate range from age and resting heart rate.

How is this result calculated?

The calculator uses age-based maximum-heart-rate estimation and the heart-rate-reserve approach configured in the live calculator to calculate training zones. The calculation uses age and resting heart rate.

How should I use the result?

Medications, heart conditions and individual fitness can substantially alter safe exercise heart-rate targets. Use the number as an estimate and consider professional advice when the result may affect health, treatment, pregnancy, nutrition, exercise safety or another important decision.

Related Calculators

Maximum Heart Rate Calculator

Heart Rate Zones Calculator

Zone 2 Heart Rate Calculator

Resting Heart Rate Calculator