Jun 26, 2024 · Body mass index (BMI) is a calculated measure of weight relative to height. For adults, BMI is categorized into underweight, healthy weight, overweight, and obesity. Obesity is further subdivided into three classes. This BMI calculator is for adults 20 and older.

The Body Mass Index (BMI) Calculator can be used to calculate BMI value and corresponding weight status while taking age into consideration. 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.

Find out what your body mass index is by using our handy interactive BMI calculator, or use our height-weight chart to help you stay within the recommended range.

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. View the BMI tables or use the tool below to compute yours. Enter your weight and height using standard or metric measures.

Nov 8, 2024 · Adult BMI chart showing ranges “obese 1: BMI 30–34.9,” “obese 2: BMI 35–39.9,” and “obese 3: BMI ≥ 40.”

Feb 5, 2024 · Obesity is often defined as having a body mass index (BMI) of 30 or higher. However, there are actually three different classes of obesity, and they’re organized according to severity. Obesity...

Mar 14, 2025 · Morbid obesity is defined as having a BMI of 40 or higher. Morbid obesity is associated with a host of health conditions, including heart problems, breathing difficulty, joint pain, mental health concerns, increased likelihood of cancer, and a decrease of 10 to 15 years in life expectancy.

Jan 16, 2024 · A BMI between 18.5 and 25 kg/m² indicates a normal weight. A BMI of less than 18.5 kg/m² is considered underweight. A BMI between 25 kg/m² and 29.9 kg/m² is considered overweight. A BMI of 30 kg/m² or higher is considered obese. To check your BMI, type your height and weight into the BMI calculator for adults from the National Institute of ...

It's important to use the right calculator for adults (aged 18 and over) or children and teenagers (aged between 2 and 17). Check an adult's or child's BMI to find out if they're a healthy weight.

Feb 18, 2020 · An obese BMI is one that is 30 or higher, though body mass index isn’t the sole indicator of obesity. Still, knowing your BMI is key since it can suggest whether you are at risk for obesity...