247SportTools
Fitness · Training

Target Heart Rate Calculator

Find the heart-rate range to aim for during exercise based on your chosen intensity.

Target heart rate

Target range

Top picks compared

PickProductBest for
Top pick Suunto 9 Peak Pro Sports Watch Calculates your target zones and alarms when you're out of range. Real-time biofeedback keeps you on target. Check price →
Option Apple Watch Ultra Always-on display shows heart rate continuously. Tap to see if you're hitting your target zone right now. Check price →
Option Mio Velo Heart Rate Monitor Optical sensor on your wrist—no chest strap needed. Shows target zones during spinning or cardio classes. Check price →

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Frequently asked questions

How do I measure my heart rate while running?

A chest-strap monitor is most accurate; wrist optical sensors are convenient but can lag during intervals and in cold weather.