what is the formula to calculate heart rate?
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The Karvonen formula is your heart rate reserve multiplied by the percentage of intensity plus your resting heart rate. For example, a 50-year-old with a resting heart rate of 65 would calculate as follows: 220 - 50 = 170 for HRmax.
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The Journal of Sports Sciences provides a formula for this calculation: Calories Burned = [(Age x 0.074) + (Heart Rate x 0.4472) -- (Weight x 0.05741) -- 20.4022] x Time / 4.184. Assume for this example that you're 32 years of age, your average heart rate during the exercise was 127 bpm, your weight is 143 lb.
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To estimate your maximum age-related heart rate, subtract your age from 220. For example, for a 50-year-old person, the estimated maximum age-related heart rate would be calculated as 220 – 50 years = 170 beats per minute (bpm). The 64% and 76% levels would be: 64% level: 170 x 0.64 = 109 bpm, and.
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To calculate your maximum heart rate, subtract your age from 220. For example, if you're 30 years old, your maximum heart rate would be 190. Keep in mind, this is just a guide. Your maximum heart rate may vary 15 to 20 bpm in either direction.
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When your heart beats it pushes blood around your body. This heart beat can be felt as your 'pulse' on your wrist or neck. Your pulse is measured by counting the number of times your heart beats in one minute. For example, if your heart contracts 72 times in one minute, your pulse would be 72 beats per minute (BPM).
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Use the predetermined paces from the Medical and Sports Institute of America to calculate your approximate running speeds: 150 bpm equals 6 mph, 160 bpm equals 6.7 mph, 170 bpm is 7.5 mph and 180 bpm is 8.8 mph.
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You can calculate your maximum heart rate by subtracting your age from 220. For example, if you're 45 years old, subtract 45 from 220 to get a maximum heart rate of 175. This is the average maximum number of times your heart should beat per minute during exercise.
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The heart rate measures the number of times the heart beats per minute. After the age of 10 years, the heart rate of a person should be between 60 and 100 beats per minute while they are resting.
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For adults 18 and older, a normal resting heart rate is between 60 and 100 beats per minute (bpm), depending on the person's physical condition and age. For children ages 6 to 15, the normal resting heart rate is between 70 and 100 bpm, according to the AHA.
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For resting heart rate, normal is defined as 60 to 100 beats per minute, but trained athletes can have resting heart rates as low as 35 to 40, which is normal for them. The simple calculation for maximal peak heart rate is 220 - age for men, and 226 - age for women. That would put your peak heart rate at 176.
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The average resting heart rate is 66 to 72 beats per minute (bpm). A well-trained endurance athlete has a resting heart rate of 40 bpm.
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The usual range for resting heart rate is anywhere between 60 and 90 beats per minute. Above 90 is considered high. Many factors influence your resting heart rate.
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To estimate your maximum age-related heart rate, subtract your age from 220. For example, for a 50-year-old person, the estimated maximum age-related heart rate would be calculated as 220 – 50 years = 170 beats per minute (bpm).
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Resting heart rate-the number of heart beats per minute when the body is at rest-usually changes with age, with lower rates indicative of better cardiovascular fitness and more efficient heart function. A resting heart rate of 50 to 100 beats per minute (bpm) is considered to lie within the normal range.
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Target heart rate zones are calculated using maximum heart rate—the highest number of times your heart can safely beat in one minute. To keep things simple, Fitbit uses the common formula of 220 minus your age to estimate your maximum heart rate. So a 35-year-old would have a max heart rate of 185 (220-35=185).
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Calculating Calories Burned During a Workout Men use the following formula: Calories Burned = [(Age x 0.2017) – (Weight x 0.09036) + (Heart Rate x 0.6309) – 55.0969] x Time / 4.184. Women use the following formula: Calories Burned = [(Age x 0.074) – (Weight x 0.05741) + (Heart Rate x 0.4472) – 20.4022] x Time / 4.184.
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Your pulse rate is the number of times your heart beats per minute. A normal resting heart rate should be 60–100 beats per minute, but it can vary from minute to minute.