This calculator can be used only if the calculated age is less than 20 years old. Older adults tend to have more body fat than younger adults with the same BMI. It’s a tool that’s used to universally measure relative health risks associated with weight for both women and men. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Diabetes Res Clin Pract 1990;10(Suppl. It is widely used as a general indicator of whether a person has a healthy body weight for their height. BMI stands for Body Mass Index. Be carefull. How to calculate your BMI? This calculator provides BMI and the corresponding BMI weight status category. It includes reference charts and tables, from the World Health Organization as well as Centers for Disease Control and Prevention, for both children and adults. Stehman CR, Buckley RG, Dos Santos FL, et al, Bedside estimation of patient height for calculating ideal body weight in the emergency department. Comparison of Ideal Body Weight Equations and Published Height-Weight Tables With Body Mass Index Tables for Healthy Adults in the United States. Calculate. That being said, BMI is fairly indicative of body fat for 90-95% of the population, and can effectively be used along with other measures to help determine an individual's healthy body weight. Bhumika, S., Kathrn, S. and Clarie, B. For most people, BMI is a good predictor of health problems that are linked to excess weight. It does not provide medical advice. ❗ Please check the accuracy of the information you entered. Because of possible rounding errors in age, weight, and height, the results from this calculator may differ slightly from BMI-for-age percentiles calculated by other programs. 72:743–4. His discovery and publishing of the first IBW called the Broca Index opened the way for other medical experts. Do not use this tool calculating BMI for children Do not take any important decision about your health based on this or on any other web tool. In thin children, the difference in BMI can also be due to fat-free mass. Overweight = 25–29.9 BMI is a measurement of a person's leanness or corpulence based on their height and weight, and is intended to quantify tissue mass. BMI is also known as Quetelet’s index. BMI is a better indicator of excess body fat for obese children than it is for overweight children, whose BMI could be a result of increased levels of either fat or fat-free mass (all body components except for fat, which includes water, organs, muscle, etc.). For example: If your height is 1.7 meter and you weigh 65 kilograms (kilos), your BMI is . Here is the BMI formula in the metric system where weight is in kilograms, and height is in meter: BMI = weight / (height) 2.





. Lemmen's formula requires you to establish the height in meters, square it, and then multiply with 22. Just like other formulas outlined above, Miller did not include important factors that contribute to changes in body weight. On the other hand, someone with a light bone structure might be considered of normal weight, even if they have excess body fat. This leaves it hanging in the balance with medical practitioners preferring the former. Specifically, the value obtained from the calculation of BMI is used to categorize whether a person is underweight, normal weight, overweight, or obese depending on what range the value falls between. Consult your doctor if you think you or someone you know is underweight, particularly if the reason for being underweight does not seem obvious. BMI Categories: These ranges of BMI vary based on factors such as region and age, and are sometimes further divided into subcategories such as severely underweight or very severely obese. It is a simple modification of the familiar Body Mass Index (BMI) system. Obesity = BMI of 30 or greater, Aim for a Healthy Weight: Healthy Weight Range = BMI between 18.5 and 25. Men: Ideal Body Weight (kg) = 50 kg + 2.3 kg per inch over 5 feet. This BMI calculator converts units to satisfy the following BMI formula calculations. BMI (body mass index) is the person's body weight (in kilograms) divided by the square of his height (in meters) and measured in kg/m2. In athletes, particularly bodybuilders who would be considered overweight due to muscle being heavier than fat, it is entirely possible that they are actually at a healthy weight for their body composition. For example, an older person who is considered a healthy weight, but is completely inactive in their daily life may have significant amounts of excess body fat even though they are not heavy. The first person to focus on IBW was Paul Broca (a French Army doctor) who had to establish the IBW weight for soldiers. Use this calculator for adults, 20 years old and older. Because BMI is based on weight and height, it is only an indicator of body fatness. Ann Pharmacol 2000; 34:1066-69, 2. 4. Below is the equation for computing the PI of an individual using USC, again using a 5'10", 160-pound individual as an example: Healthy weight for the height: 128.9 lbs - 174.2 lbs, Higher levels of LDL cholesterol, which is widely considered "bad cholesterol," lower levels of HDL cholesterol, considered to be good cholesterol in moderation, and high levels of triglycerides, Osteoarthritis, a type of joint disease caused by breakdown of joint cartilage, Certain cancers (endometrial, breast, colon, kidney, gallbladder, liver), Mental illnesses such as clinical depression, anxiety, and others, Body pains and difficulty with certain physical functions, Generally, an increased risk of mortality compared to those with a healthy BMI, Malnutrition, vitamin deficiencies, anemia (lowered ability to carry blood vessels), Osteoporosis, a disease that causes bone weakness, increasing the risk of breaking a bone, Growth and development issues, particularly in children and teenagers, Possible reproductive issues for women due to hormonal imbalances that can disrupt the menstrual cycle. However, if the wrist size is more or less than 7 inches, you add or subtract 10% of ideal body weight respectively. This weight loss calculator allows you to calculate the number of calories you should eat in a day to reach a specific target weight by a certain date. Caution when lean body weight is used as a size descriptor for obese subjects. For example: If your height is 1.7 meter and you weigh 65 kilograms (kilos), your BMI is . Download the BMI calculator app today (available for iPhone and Android). Most of the other formulae have revolved around adjusting the ideal body weight and its adjustment. BMI is used to estimate a normal body weight (a healthy body weight) based on a … Saving Lives, Protecting People, Healthy Weight, Nutrition, and Physical Activity, Division of Nutrition, Physical Activity, and Obesity, National Center for Chronic Disease Prevention and Health Promotion, Measuring Children’s Height and Weight Accurately At Home, Using Fruits & Vegetables to Manage Your Weight, The Health Effects of Overweight & Obesity, U.S. Department of Health & Human Services. Any questions about weight loss or changes to your diet should be discussed with your nutritionist or medical adviser for a more personalized estimation. Men: Ideal Body Weight (kg) = 52 kg + 1.9 kg per inch over 5 feet. Then, 10% of the normal weight was subtracted to get the IBW. Measuring Height and Weight Accurately At Home. CDC twenty four seven. This table defines BMI ranges (Categories). All of them use height as the primary measure. While the formula is no doubt easy to apply, Lemmens did not explain how aspects such as weight, age, and others are catered for. Underweight women also have a higher chance of miscarriage in the first trimester, Potential complications as a result of surgery. Normal weight = 18.5–24.9 Learn more. However, if the wrist size is more or less than 7 inches, you add or subtract 10% of ideal body weight respectively. Birth Date must be at least 2 years before Date of Measurement. Being overweight increases the risk of a number of serious diseases and health conditions. Although the PI suffers from similar considerations, the PI is more reliable for use with very tall or short individuals, while BMI tends to record uncharacteristically high or low body fat levels for those on the extreme ends of the height and weight spectrum. A high BMI indicates that you are overweight, and a low value that you are underweight. BMI is a number that describes the relationship between your height and your body weight. The Devine formula which was rapidly adopted after publishing, just like Broca Index, uses height only. The BMI table below, combined with the standard (WHO) BMI table, are used by our BMI Calculator to redefine the BMI classes limits. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. The number is calculated using a simple formula and only provides a pointer. BMI is solely based on weight and height, so it may be an imprecise indicator (might come out as overweight) of body fat if someone has a large bone structure, athletic build or a large muscle mass. Individuals with the same BMI may have different amounts of body fat. Women: Ideal Body Weight (in kilograms) = 45.5 kg + 2.2 kg for each inch over 5 feet. This is a graph of BMI categories based on the World Health Organization data. 1. Men: Ideal Body Weight (in kilograms) = 48 kg + 2.7 kg for each inch over 5 feet. Use the "Metric Units" tab for the International System of Units or the "Other Units" tab to convert units into either US or metric units. Based on the Birth Date and Date of Measurement, the calculated age is 20 years or older. What is BMI Prime? The Centers for Disease Control and Prevention (CDC) recommends BMI categorization for children and teens between age 2 and 20. This calculator computes appropriately your BMI by using a "redefined overweight and obese BMI thresholds for different gender and age groups"[1], a 2015 study, for people who are more than 16 years old male or female. Your BMI is calculated by your weight divided by the square of your height (kg/m²). This calculator is for people 2 through 19 years old. Select "Compute BMI" and your BMI will appear below. Below are the equations used for calculating BMI in the International System of Units (SI) and the US customary system (USC) using a 5'10", 160-pound individual as an example: The Ponderal Index (PI) is similar to BMI in that it measures the leanness or corpulence of a person based on their height and weight. The main difference between the PI and BMI is the cubing rather than squaring of the height in the formula (provided below). Explore many other health and fitness calculators, as well as hundreds of calculators addressing finance, math, and more. Note: Please keep in mind that this BMI calculator is not meant to serve as a source of clinical guidance and is not intended to be a substitute for professional medical advice. Another change that came close to including new aspects of a human system to calculate IBW was the Lemmens Formula of 2005. The need to redefine age- and gender-specific overweight and obese body mass index cutoff points (Retrieved AUgust 31, Body Mass Index and Health - CNPP (Center for Nutrition Policy and Promotion) / USDA (United States Department of Agriculture) (Retrieved AUgust 31. Although BMI is a widely used and useful indicator of healthy body weight, it does have its limitations. How to calculate your BMI? or enter only the total number of months: Height (decimal places allowed): Select Height, Height, to nearest 1/8 inch: Select Height, (12 inches = 1 foot; Example: 4 feet, 5 1/2 inches), Weight (decimal places allowed): Select Weight, Weight, to nearest 1/4 (.25) pound: Select Weight, (8 ounces = 1/2 pounds; Example: 75 3/4 pounds). Here is the BMI formula in the metric system where weight is in kilograms, and height is in meter: BMI = weight / (height) 2. In his index, Broca only used the height in centimeters, and then subtracted 100 to get the normal weight. Note that the calculator also computes the Ponderal Index in addition to BMI, both of which are discussed below in detail. The subject of Ideal Body Weight (IBW) has remained a hot topic issue for decades. This calculator is not meant to serve as a source of clinical guidance. Indeed, BMI further extrapolates what the figures (below or above a healthy BMI) that people get mean. Here is the BMI Prime formula: Note that, in our BMI calculator, the 'Upper Weight Limit' depends on age and sex, so it is not fixed as in other calculators. The Centers for Disease Control and Prevention (CDC) BMI-for-age percentiles growth charts. US units: BMI = (weight (lb) ÷ height2 (in)) * 703 CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Matsuzawa Y, Tokunaga K, Kotani K, Keno Y, Kobayashi T, Tarui S, Simple estimation of ideal body weight from body mass index with the lowest morbidity. BMI = 22.491349480969. BMI = 65 / 2.89, or . Limitations of the BMI In his Approach, Devine argued that a man who is 5 feet should be 50 kilograms while a woman who is 5 feet should be 45.5.

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