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Resting Heart Rate Calculator

Enter your resting heart rate and age — get your cardiovascular fitness category, personalised heart rate training zones (Zones 1–5), and recommendations to improve your RHR.

Resting Heart Rate & Zone Calculator

Fitness category · Training zones · Max HR

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Fitness Category

Heart rate fitness categories based on the American Heart Association standards. Max heart rate estimated using 220 − age (Fox formula). Karvonen formula used for heart rate zones.

Resting Heart Rate Fitness Categories by Age & Sex

CategoryMen (bpm)Women (bpm)
AthleteBelow 56Below 60
Excellent56–6160–65
Good62–6566–69
Above Average66–6970–73
Average70–7374–77
Below Average74–8178–85
PoorAbove 81Above 85

Why Resting Heart Rate Is an Important Health Marker

Resting heart rate is one of the simplest and most informative indicators of overall cardiovascular health. Research consistently shows that a higher RHR is associated with increased risk of cardiovascular disease, type 2 diabetes, and all-cause mortality, independent of other risk factors. A long-term study (HUNT study, over 22,000 participants) found that men with a RHR above 85 bpm had a 3× higher risk of cardiac death than those with a RHR of 55–75 bpm. Regular aerobic exercise is the most effective lifestyle intervention for reducing RHR — even 30 minutes of moderate cardio 5 days per week produces measurable improvements within 4–6 weeks.

Frequently Asked Questions

60–100 bpm is the clinical normal for adults. However, 50–70 bpm is typical for physically active adults and represents a better cardiovascular fitness level. Elite endurance athletes commonly have RHRs of 35–50 bpm. Children have higher RHRs than adults (100–140 bpm for newborns, gradually decreasing to adult levels by late teens).
Best practice: Measure first thing in the morning before getting out of bed, after at least 5 minutes of lying quietly. Use two fingers on the radial pulse (wrist) or carotid (neck). Count for a full 60 seconds. Avoid measuring after: caffeine, exercise, a heavy meal, stress, illness, or poor sleep. Average three consecutive days for a reliable baseline.
The Karvonen method calculates target heart rate using both max HR and resting HR for more personalised zones. Zone 2 (60–70% of heart rate reserve) is the aerobic base zone — this is where most easy runs, walks, and steady cardio should be. Zone 4 (80–90%) is lactate threshold — where tempo runs operate. Most training programmes recommend 70–80% of sessions in Zone 1–2 and 20–30% in Zones 3–5.
50 bpm is completely normal for a regular exerciser and is often seen in recreational runners, cyclists, and swimmers. Elite athletes may have RHRs of 35–45 bpm without any health concern. In the absence of symptoms (dizziness, fainting, fatigue), a low RHR in an active person simply reflects excellent cardiovascular efficiency. Only seek medical advice if accompanied by concerning symptoms or if you are not physically active.

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