Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled gage pressure) is the pressure relative to the local atmospheric or ambient pressure. Various units are used to express pressure.
A BMI of 25 to 29.9 indicates a person is overweight. A person with a BMI of 30 or higher is considered obese. Like the weight-to-height table, BMI does not show the difference between excess fat and muscle. BMI, however, is closely associated with measures of body fat. It also predicts the development of health problems related to excess weight.
What Is Considered Obese? Obesity is a term that refers to an excessive amount of body fat. Men are considered obese when they have a body fat percentage greater than 25 percent. Women are considered obese when they have a body fat percentage greater than 30 percent. There are several ways to obtain an accurate measurement of body fat.