Beyond assigning one of these categories, a high BMI can be also an indicator of high body fat and therefore can be used to screen for certain weight levels that could lead to health problems. Even though it is often used as one, it is not a true diagnostic of body fatness or of an individual’s overall health.
Is BMI a good measure of obesity?
BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.
What is the best way to measure obesity?
Computerized Tomography (CT) and Magnetic Resonance Imaging (MRI) These two imaging techniques are now considered to be the most accurate methods for measuring tissue, organ, and whole-body fat mass as well as lean muscle mass and bone mass.
Is BMI the most accurate measure of a person’s health status?
Is it a good indicator of health? Despite concerns that BMI doesn’t accurately identify whether a person is healthy, most studies show that a person’s risk of chronic disease and premature death does increase with a BMI lower than 18.5 (“underweight”) or above 30.0 (“obese”) ( 4 , 5 ).
What weight do I need to be to have a BMI of 25?
4 in. tall is considered overweight (BMI is 25 to 29) if she weighs between about 145 and 169 pounds. She is considered obese (BMI is 30 or more) if she is closer to 174 pounds or more.
What are the disadvantages of BMI?
Since muscle weighs more than fat, BMI isn’t accurate in patients with extreme amounts of muscle. And this can cause unnecessary concern or a faulty sense of security for many adults. For example, a fit person with dense muscle could be categorized as overweight based on BMI.
How do I know my ideal weight?
Here are general guidelines.
- If your BMI is less than 18.5, it falls within the “underweight” range.
- If your BMI is 18.5 to 24.9, it falls within the “normal” or Healthy Weight range.
- If your BMI is 25.0 to 29.9, it falls within the “overweight” range.
- If your BMI is 30.0 or higher, it falls within the “obese” range.
How do I calculate my ideal weight?
The formula is BMI = kg/m2 where kg is a person’s weight in kilograms and m2 is their height in metres squared. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9. BMI applies to most adults 18-65 years.
What is my ideal weight in kg?
Ideal body weight (men) = 50 kg + 1.9 kg for every inch above 5 feet. Ideal body weight (women) = 49 kg + 1.7 kg for every inch above 5 feet.
Are BMI charts realistic?
BMI (body mass index), which is based on the height and weight of a person, is an inaccurate measure of body fat content and does not take into account muscle mass, bone density, overall body composition, and racial and sex differences, say researchers from the Perelman School of Medicine, University of Pennsylvania.
Who is BMI not accurate for?
For most people, BMI provides a “reasonable measure” of body fat, but is not accurate for athletes (who weigh more because of muscle) or older people who have lost height, he said. Other methods of measuring body fat also have their pros and cons.
What should I use instead of BMI?
Better than BMI: 4 ways to track your health besides the scale
- Waist-to-height ratio (WHtR) The cousin of the BMI, waist-to-height ratio compares — you guessed it — waist circumference to height, rather than overall weight to height squared. …
- Measurements. …
- Resting heart rate (RHR) …
- Skinfold Calipers.
What does a BMI of 25 look like?
A BMI of 25 to 29.9 is considered overweight. A BMI of 30 and above is considered obese. Individuals who fall into the BMI range of 25 to 34.9, and have a waist size of over 40 inches for men and 35 inches for women, are considered to be at especially high risk for health problems.
Is a BMI of 25% good?
below 18.5 – you’re in the underweight range. between 18.5 and 24.9 – you’re in the healthy weight range. between 25 and 29.9 – you’re in the overweight range. between 30 and 39.9 – you’re in the obese range.
What is obese for my height?
Height: Weight: Your BMI is , indicating your weight is in the category for adults of your height. For your height, a normal weight range would be from to pounds.
Adult BMI Calculator.
|30.0 and Above||Obese|