Using metric units, where weight is in kilograms and height is in meters, divide weight by meters squared.
Bmr calculator cdc how to#
Cut-off points for specific international subpopulations may vary.ĬDC Female BMI Growth Chart How to Calculate BMI Wikipedia listsĪlternative BMI ranges and categories for specific Asian populations. These ranges typically apply to North American and Eurpoean populations. The CDC and WHO use the BMI range charts below to evaluate the weight of adults aged 20 and over given his or her height. BMI also enables health professionals to discuss bodyweight objectively with their patients. The Centers for Disease Control (CDC) and the World Health Organization (WHO) recognize that people who are overweight or underweight are at higher risk for certain health conditions. Numeric BMI values correspond to weight categories including underweight, normal, overweight and obese.īMI is used as an indicator of the relative healthiness of a person. It is calculated as kg per square meter or pounds per square inch of height. The body mass index or BMI is a ratio of mass to height. See additional BMI formulas below for accurate calculations in metric or imperial units.
In metric units: BMI = weight (kg) ÷ height 2 (meters).Once you have your BMR, it's time to take the same kind of strategic approach to the rest of your training and nutrition.\( \text \) Being armed with this knowledge, rather than guesstimating or blindly following a plan without scaling it to your individual needs, can make or break your muscle gains or fat loss. Once you use your BMR to determine your TDEE, you can make sure that the nutrition plan you follow is appropriate for your level of energy expenditure and that it isn't giving you too many or too few calories. How Can I Use My BMR to Lose Fat or Gain Muscle? If the equation uses RMR, use our RMR calculator, which will give you a slightly higher number. If it's based on BMR, you can use the calculator above to get an estimate. The term BMR is sometimes used synonymously with RMR, which stands for "resting metabolic rate." The difference is that while BMR only measures basic processes of breathing, blood circulation, and temperature regulation in a completely resting state, RMR also includes energy expended by digestion and non-exercise daily movements, like getting dressed and lifting your fork to your mouth.īMR and RMR numbers are typically close enough to be interchangeable, but if you're calculating your needs in order to gain or lose weight, pay attention to which number an equation calls for. What's the Difference Between BMR and RMR? Keep in mind, though, that it's impossible to know your exact TDEE, as your activity levels will change day to day, and the only way to get 100 percent accurate BMR numbers is through laboratory testing.
You can use a TDEE calculator or calorie calculator to find this number to get a more specific result. This varies significantly based on your activity level, age, and sex. It's determined based on your BMR as well as your activity level throughout the day. The overall number of calories your body uses on a daily basis is referred to as your "total daily energy expenditure" (TDEE). This means that when you have a lot of muscle mass, you'll burn more calories at rest. However, increasing muscle mass does increase BMR, because muscle is metabolically "hungry" and it takes more energy to maintain more muscle. Since your basal metabolic rate is based largely on involuntary functions like breathing and pumping blood, changes in your day-to-day activity don't do much to raise or lower this number. Here's how it works:įor men: BMR = 66.5 + (13.75 x weight in kg) + (5.003 x height in cm) - (6.755 x age in years)įor women: BMR = 655.1 + (9.563 x weight in kg) + (1.850 x height in cm) - (4.676 x age in years)īear in mind that this doesn't take your activity level into account! 's calculator uses the Harris-Benedict equation, which is considered by many experts to be the most accurate BMR calculation for most types of people.
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