See bmi calculator tutorial on our forum. Body mass index bmi is a measure of body fat based on height and weight that applies to adult men and women. While bmi does not measure body fat directly research has shown that bmi correlates to direct measures of body fat 23. The current bmi calculator divides a persons weight by their height to the power of 2 or squared. Your weight in kilograms divided by your height squared in meters expressed as kgm 2. Therefore to calculate bmi take the weight lbs and divide it by height in.
Use the calculator below to compute any bmi value. Calculating your bmi is as simple as plugging your height and weight into an online calculator such as the one hosted by the us national heart lung and blood institute. Weight in pounds lbs divided by height in inches in squared and multiplied by a conversion factor of 703 weight lbs height in 2 x 703. With the english system the bmi formula is. Here is the answer to the question. For calculating body mass index bmi the weight of a person is divided by the square of their height.
Weight kgheight m 2. The bmi equals a persons weight in kilograms divided by height in meters squared bmi kgm2. Weight kg height m2. Bmi weight kg height 2. Body mass index bmi is a simple index of weight for height that is commonly used to classify underweight overweight and obesity in adults. A healthy bmi is less than 25.
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 10000 can be used. Weight kg height cm height cm x 10000. Take the result of that calculation and divide it by height again. First you calculate your weight in kilograms 1 kilogram equals 22 pounds and then divide it by your height in meters squared 1 meter equals 3937 inches. According to most criteria accepted around the world. Body mass index or bmi is a more accurate measure of overweight than weight alone for both women and men.
To calculate the bmi using pounds divide the weight in pounds by the height in inches squared and multiply the result by 703. With the metric system the formula for bmi is weight in kilograms divided by height in meters squared. A bmi of 25 to 299 is considered overweight. It is defined as the weight in kilograms divided by the square of the height in meters 1. Bmi is a persons weight in kilograms divided by the square of height in meters. Bmi is a rapid way to discover if you are overweight obese underweight or normal.