Your Body Mass Index is a useful way to determine if you are underweight, normal, overweight or obese. Calculated from your height and weight, it is an estimation of body fat and is a good judge of the risk of diseases that can occur with greater body fat. The National Heart Lung and Blood Institute says that a BMI below 18.5 is underweight, between 18.5 and 24.9 is normal, 25 to 29.9 is overweight and anything over 30 is obese
Metric bathroom scale <. br> Height charts.
Weigh yourself on the scale, and record the result.
Measure your height by standing in bare feet against a wall with a height chart, or make a mark on the wall at the point where the crown of your head when. Make a note of your height in meters
Calculate your BMI using the following formula :. . Weight in kilograms divided by the square of your height in meters. For example, if a woman weighing 70 kg and measured 1.65 meters, the formula will be 70 divided by (1. 65 multiplied by 1.65), which is 70 divided by 2.72, which works out at 25.8.
Tips and Warnings
BMI is not a definitive tool for indicating fat. Well muscled people would consider high on BMI range, falsely indicating a high level of fat. Conversely, a BMI of an elderly person or someone who has lost muscle can be very low.
The size of the waist is also an important factor, as abdominal fat can lead to heart disease and other obesity-related diseases. According Docshop. com, should the life of a man to be less than 40 inches, and the life of a woman should be less than 35 iinches.