The body mass index bmi is a ratio of your height and weight. To use this bmi calculator, enter your weight and height, and your bmi will be calculated for you. You must convert the formula so that it can be entered into the table. Body mass index, or bmi, is a more accurate measure of overweight than weight alone for both women and men. Bmi strongly correlates to the total fat on your body, and best of all, its easy to determine and is. The imperial bmi formula is your weight in pounds lbs divided by your height in inches, squared and then you multiply this figure by a conversion factor of 703. The best way to lose weight if youre obese is through a combination of diet and exercise, and, in some cases, medicines. The equation bmi weight in pounds height in inches x height in inches x 703 a healthy bmi for women is between 19. If you are younger than 20 years, you must use bmi calculator for teens. Cdc calculating bmi using the english system bmi for. Depending on their height and weight, a person can belong to one of the following weight categories.
For instance, the bmi of a person who is 53 andweighs 125 lbs is calculated as follows. Learn all about the body mass index bmi formula and how to use it to. To calculate your bmi manually, take your weight, multiply it by 703, and then divide it by your height in inches. Since height is commonly measured in centimeters, an alternate calculation formula, dividing the weight in kilograms by the height in centimeters squared, and then multiplying the result by 10,000, can be used. Keep in mind, though, that its 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. Calculate your bmi to determine if you are at a healthy weight. Cdc calculating bmi using the metric system bmi for. You cant adjust the bmi equation to account for an athletic build. Calculate the bmr for females in units of calories per day. May 23, 2019 although body mass index is a good measure for much of the population, its not infallible.
Here is the formula that you can use to calculate your bmi correctly. In some situations, your bmi may need to be above a. Multiply your height in inches in by itself divide your weight in pounds lbs by your step 1 result multiply the result from step 2 by 703. Sep 14, 2020 you can use a tdee calculator to find this number, or calculate it manually to get a more specific result. It is so widely used for gauging bodyweight in reference to wellbeing that health insurance companies use the equation in order to calculate what your rates should be, meaning that they deem a persons body mass index as being directly correlated with what. If you have an eating disorder, the bmi calculator results do not apply. 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.
Enter your measurements and click calculate for your body mass index. This is the mathematical formula for the body mass index bmi. This article provides you with a formula to help you calculate your bmi on your own along with its relation to obesity. Explore many other health and fitness calculators, as well as hundreds of calculators addressing finance, math, and more. With the imperial bmi formula, you then multiply the resulting figure by 703. Computing variables spss tutorials libguides at kent. For example, if your height is 178 cm, your weight is 78. The calculator will give you an idea of how your weight compares to common values. Bmi formula the body mass index bmi is a statistic developed by adolphe quetelet in the 1900s for evaluating body mass. The body mass index bmi calculator can be used to calculate bmi value and corresponding weight status while taking age into consideration. Computing your bmi manually seems like a tedious task. May 06, 2020 as bmi increases, the risk for many ailments, including diabetes, cardiovascular disease, hypertension, stroke, osteoarthritis, and sleep apnea, also increases. This free body mass index calculator gives out the bmi value and categorizes bmi based on provided information. Enter your weight and height using standard or metric measures.
Of course, should you not wish to calculate bmi manually with the formula, you can use my popular bmi calculator or the interactive bmi. Bmi is a measurement which determines which weight category a person belongs to. Bmi weight height a crucial remark about this formula is that the units you use do matter. The values of bmi for normal weight range vary itself from time to time and country to country, that is why we think that bmi exceeding the value of 30 is more important. The body mass index bmi is referred to as body mass indicator. Cdc calculating bmi using the english system bmi for age. The body mass index is calculated based on the following formula. It is the standard measure also referred to as the metric bmi formula. Bmi weight in pounds height in inches x height in inches x 703 bmi weight in kilograms height in meters x height in meters part 2. Calculate your body mass index enter your weight and height using standard or metric measures. In particular, bmi is calculated from these two variables by the following bmi calculation formula. Apart from these limitations, the bmi is a relatively straightforward and convenient way of assessing someones weight. You just need to know your height and weight to quickly calculate your body mass index.
The following body mass index chart allows you to manually get your bmi score and includes a classification of the bmi category you reside within. For these reasons, if you want to know how to calculate your bmi manually, never take your result as fact, and always ask a health professional for their assessment. The bmi calculator is used to calculate your body mass index and determine if you are at a healthy weight for your height. The bmi calculator will give you a personal calorie allowance to help you achieve a healthy weight safely. You can still calculate your bmi if your height is in centimeters, but you will need to use a slightly different equation to do so. May 16, 2020 waist to hip ratio calculator healthstatus.
Bmi formula how to calculate my bmi ramsay health care. Mar 09, 2021 alternatively, you can produce the same result by opening a syntax window file new syntax and executing the following code. If you wish to calculate your bmi manually rather than using the bmi calculator, ive included some simple instructions and formulae below. This equation is your weight in kilograms divided by your height in centimeters, then divided again by your height in centimeters, and then multiplied by 10,000. Calculate bmi by dividing weight in pounds lbs by height in inches in squared and multiplying by a conversion factor of 703. To calculate bmi, the metric formula is your weight in kilograms divided by your height in meters squared.
Body mass index bmi is a measure of body fat based on height and weight that applies to adult men and women. The formula is bmi kgm 2 where kg is a persons weight in kilograms and m 2 is their height in metres squared. With the metric system, the formula for bmi is weight in kilograms divided by height in meters squared. It uses the same formula for men as for women and children. How to calculate your body fat percentage using a tape. Calculating bmi using the english system bmi for age. Use the healthdirect bmi calculator to work a combination of body mass index bmi and waist circumference is the easiest way to rate please enter manually, 20170206 how to calculate basal metabolic rate.
Cdc calculating bmi using the metric system bmi for age. This same formula is used to determine the ideal weight for women, as well as men. Dividing your weight kg by your height m dividing the answer by your height m again to get your bmi. Multiply your height in inches by itself divide the figure from step 1 by the figure in step 3. There are three simple steps for computing bmi with imperial values. Bmi weight kg height m to calculate bmi, the metric formula is your weight in kilograms divided by your height in meters squared. Take your height in metres and multiply it by itself so for example, if your height is 1. Example of how to calculate bmi this particular example of a calculation is for a woman who is 58 and 5 pounds. Our bmi calculator for women is intended for women older than 20 years. The formula is bmi kgm 2 where kg is a persons weight in kilograms and m 2 is their height in metres squared a bmi of 25. If you input the above formula, for example, first you divide 70 by 1. Bmi is your weight in kilograms over your height squared in centimeters. It helps estimate the ideal weight for an individual. Bmi calculator for women bmi calculator for females only.
Easy step by step examples are given to help you determine your weight status. The body mass index abbreviated as bmi is a statistical measure that compares a persons weight and height. Bodyweight in kilograms divided by height in meters squared or. Calculating bmi using the metric system bmi for age. Dec 07, 2017 to compute a mans body fat percentage using this method, you will need to know 2 different factors. Bmi is usually calculated in kilograms and meters, but if you feel more comfortable using pounds and feet, this formula will work for you.
First you calculate your weight in kilograms 1 kilogram equals 2. You should use your prepregnancy weight when calculating your bmi. If you register with the healthy weight guide website, this information will be stored on the site so you can come back later and track any changes online. Then, calculate bmi by dividing weight in pounds lb by height in inches in squared and multiplying by a conversion factor of 703. Kgm2 or, weight in kilograms divided by height in meters multiplied by height in meters so, to enter this on a normal calculator, follow. If you register with the healthy weight guide website, this information will be stored on the site so you can come back later and track any changes online it is important to remember that bmi may not be an applicable measure for all people including those under 18, pregnant women, people with. Free bmi calculator calculate your body mass index. You can use body mass index bmi to determine whether youre at a healthy weight or overweight and, therefore, at a greater risk of developing weightrelated health problems.
Use this calculator for adults, 20 years old and older. Of course, should you not wish to calculate bmi manually with the. 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. Kgm2 or, weight in kilograms divided by height in meters multiplied by height in meters so, to enter this on a normal calculator, follow these steps. In muscular body types particularly bodybuilders or other stocky, beefy athletes your bmi may show you as being overly fat even though youre lean and healthy. Jan 12, 2018 body mass index bmi assesses your weight in relation to your height and can be a useful indicator of whether your weight is above, below or within a healthy range. Bmi formula how to use the bmi formula the calculator site. Kgm2 or, weight in kilograms divided by height in meters multiplied by height in meters once you have your bmi, read our guide to healthy bmi readings here to find out if you are in a healthy bmi range. Generally, any bmi calculator for people older than 20 years can be used as a bmi calculator for women. Body mass index is a simple calculation using a persons height and weight. We show you how to manually calculate bmi using the bmi formula.
The formula calculates the body mass index by dividing an individuals weight in kilograms or pounds by height in meters or inches, squared. Use your bmi to see if you are a candidate for bariatric surgery. Bmi is calculated by dividing your weight in kilograms by your height in metres squared. Calculate the bmr for males in units of calories per day. Sep 02, 2019 bmi stands for body mass index and is a measurement of the relationship between two prominent body metrics. Bmi also rarely has a lower weight bracket, which could lead very underweight and elderly people to believe they are a safe weight. Body mass index or bmi is calculated as your weight in kilograms divided. If your bmi is above or below the normal range but you consider yourself to be of normal and healthy weight for your height, chat with your doctor about any potential health concerns. Once you have your height and weight, you can calculate your bmi using one of the formulas or you can simply use the bmi calculator on this website. When using english measurements, ounces oz and fractions must be changed to decimal values. Take this number and then divide it by your height in inches again. As a matter of fact, the calculation of bmi body mass index for both women and men is carried out according to the same bmi formula.
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