Resting Heart Rate Calculator

Your resting heart rate is the number of times your heart beats per minute when you are fully at rest. It is one of the simplest and most honest measures of cardiovascular fitness you have. A lower number usually means your heart does its job with less effort.

The reason is stroke volume, the amount of blood your heart pumps with each beat. Regular aerobic exercise strengthens the heart muscle, so each beat moves more blood. Because every beat delivers more, the heart needs fewer beats per minute to meet the body's needs at rest. That is why trained athletes often rest in the 40s or 50s while the average adult sits higher.

A good number starts with a good measurement. Follow this method for the truest reading.

The 60-Second Morning Method

1. Measure first thing in the morning, before you get out of bed.
2. If you are already up, rest for 5 to 10 minutes first.
3. Place your index and middle fingers (not your thumb) on the inside of your wrist or the side of your neck.
4. Count the beats for a full 60 seconds.
5. Measure at the same time each day so your readings are comparable.

Rest 5 to 10 minutes first if you are already up, then count a full 60 seconds for the best accuracy.

The 3-Morning Average

One reading can be noisy, so measure on three consecutive mornings and average them. For example, readings of 64, 61, and 63 BPM add to 188, and dividing by 3 gives an average of 63 BPM. Enter this average into the calculator.

Manual Count vs Wearables

Garmin, Apple Watch, and Whoop track resting heart rate overnight, which removes the guesswork. A wearable overnight average can differ slightly from a manual morning count, because the wearable averages long stretches of sleep while your manual count is a single snapshot.

The American Heart Association gives a normal adult resting heart rate of 60 to 100 BPM. That range is wide, so it helps to see where most people your age land. The table below uses the CDC's resting pulse reference data from the National Health and Nutrition Examination Survey, measured from 1999 to 2008.

Men aged 20 to 39 average 71 BPM and women the same age average 76 BPM. Women average 2 to 5 BPM higher at every age, mostly because a smaller heart pumps less blood per beat. The averages barely move with age, so a resting rate that climbs steadily over the years usually reflects lost fitness rather than age itself.

The adult 60 to 100 range applies from about age 10 to 15 upward. Children and teens rest higher than adults, so do not judge a child's reading against the adult table.

The calculator places your number in one of five bands. These bands are general guidance, not medical cutoffs.

• Athlete, below 60 BPM. Typical of well-trained athletes, whose stronger hearts pump more blood per beat.
• Excellent, 60 to 64 BPM. A strong resting number at the top end of the normal adult range.
• Good, 65 to 73 BPM. A healthy resting number, well inside the normal adult range.
• Average, 74 to 80 BPM. A typical resting number with room to improve through regular aerobic exercise.
• Below Average, above 80 BPM. On the higher end of the normal range. Regular aerobic exercise usually brings this number down over time.

A reading in the 80s or 90s is often explained by a sedentary routine, poor sleep, dehydration, or stress, all things you can change. Track your 3-morning average over a few weeks rather than reacting to a single day. For a deeper measure of cardiovascular fitness beyond resting pulse, the VO2 max calculator estimates your aerobic capacity.

Your resting rate is not fixed. It shifts a few beats in either direction with factors that have nothing to do with your underlying fitness.

• Fitness level. Regular aerobic training strengthens the heart and lowers resting BPM.
• Age. The averages barely move with age, so a climbing number usually reflects lost fitness rather than age itself.
• Stress. Mental stress activates the same sympathetic response as physical stress and raises the number.
• Caffeine. Coffee or energy drinks a few hours before measuring can raise it temporarily.
• Smoking. Nicotine stimulates the heart and tends to keep resting rates higher.
• Medications. Beta blockers and some other drugs lower resting heart rate, so always follow your doctor's guidance.
• Illness or fever. Fighting an infection raises the resting rate until you recover.
• Altitude. Less oxygen at altitude makes the heart work harder and beat faster.
• Temperature and dehydration. Heat and low fluid intake both push the rate up.
• Sleep. A short or restless night raises the next-morning reading, so a sleep cycle calculator can help you wake at the right point in your sleep cycle.

A single high reading after a bad night is not cause for concern. What matters is your average over several mornings.

These two numbers answer different questions, and mixing them up is the most common confusion on this topic.

Your resting heart rate is measured at complete rest and judged against age-based normal ranges, which is what this calculator does. Your target heart rate is the 50% to 85% of maximum heart rate range you aim for during exercise. One number describes your baseline and the other guides your workouts.

The two do connect. Heart rate reserve is your estimated maximum minus your resting rate. The rough maximum formula is 220 minus age, and the Tanaka formula is 208 minus 0.7 times age. While resting rate is measured at complete rest, the target heart rate calculator shows the 50% to 85% zones to aim for during exercise.

This is general information only, never a diagnosis. Talk to a healthcare professional if your resting rate is consistently above 100 BPM, if it sits below 40 to 60 BPM and you feel dizzy, faint, weak, or unusually tired, or if it changes suddenly for no clear reason.

Call your local emergency number if your rate is suddenly very high or very low for you and you have chest pain, shortness of breath, dizziness, or fainting. Do not diagnose yourself from a single reading, and bring a week of morning readings to the appointment so the doctor sees the pattern, not just one day.

This calculator gives general fitness information, not medical advice. If you are worried about your heart rate, talk to a healthcare professional. Our full policy is on the disclaimer page.