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What does my resting heart rate number actually mean?

Your resting heart rate is a rough measure of how hard your heart works to do nothing. For most adults 60 to 100 beats a minute is normal; fit people sit in the 50s and trained athletes lower. The number matters far less than whether it has moved from your own usual.

A resting rate that has drifted upward over months can reflect stress, poor sleep, deconditioning, anemia, thyroid problems or fever. A persistently fast rate above 100 at rest deserves a check.

Measure after sitting quietly for five minutes, not after coffee or stairs. The trend across weeks says more than one reading.

Source: American Heart Association, target heart rates

See a doctor promptly if

  • Palpitations or a racing heart with chest pain, breathlessness, fainting or near-fainting. Seek emergency care
  • A resting heart rate persistently above 120 beats per minute, even without symptoms
  • An irregular, chaotic pulse with no pattern, especially if new. This can be atrial fibrillation and needs assessment
  • A heart rate below 40 beats per minute with dizziness, fatigue or blackouts
  • A sustained unexplained rise in resting heart rate with fever, weight loss or night sweats

Your resting pulse, counted sitting quietly

ResultIn shortWhat it means
Under 50 bpmLowNormal in endurance-trained people and in sleep. Worth checking if you are not trained, or if it comes with dizziness, fainting or unusual tiredness.
50 to 59 bpmLow side of normalCommon in fit people and in anyone on a beta blocker. No action needed without symptoms.
60 to 79 bpmNormalThe middle of the adult range. What matters more than the value is whether it has changed from your own usual.
80 to 99 bpmHigh side of normalStill inside the range, and often explained by caffeine, stress, poor sleep, alcohol the night before, dehydration or being unfit.
100 bpm and above, at restWorth checkingCalled tachycardia. Fever, anaemia, thyroid overactivity, dehydration and anxiety are the common causes, and all are testable.
A rise of 10 or more, held for weeksSee a doctorA resting rate that has moved up from your own baseline and stayed there is more informative than any single reading, whatever band it sits in.

Count it sitting, before getting up, not after coffee or stairs. Fitness, medicines and fever all move it legitimately. Check it against the guidelines.

Look up another result

A result is rarely the only one on the page. Each of these gives the bands, in both unit systems, and what happens next.

Answered by the AskDoc Medical Team · Medically reviewed under our Medical Director, MBBS · How we review

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Health education, not medical advice.