You asked: How does a doctor measure BMI?

To calculate your BMI, divide your weight in pounds by your height in inches squared, then multiply the results by a conversion factor of 703. For someone who is 5 feet 5 inches tall (65 inches) and weighs 150 pounds, the calculation would look like this: [150 ÷ (65)2] x 703 = 24.96.

What is the best way to measure BMI?

Relative fat mass is a better measure of body fatness than many indices currently used in medicine and science, including the BMI.” To work out your BMI, you divide your weight in kilograms by your height in metres, then divide the answer by your height again.

What does BMI tell a doctor?

Doctors often use BMI as an objective indicator of whether a person is overweight, underweight, or at a healthy weight. BMI helps determine someone’s overall health risk and what treatment may be appropriate. It is also used to determine weight loss strategies, including whether weight loss surgery is indicated or not.

Is BMI the most accurate measure of a person’s health status?

As a single measure, BMI is clearly not a perfect measure of health. But it’s still a useful starting point for important conditions that become more likely when a person is overweight or obese.

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Do doctors still use BMI?

Body mass index, or BMI, has been used for over 100 years to help health professionals decide whether a patient is overweight or underweight. It is used in population studies, by doctors, personal trainers, and others.

Is BMI accurate if you are muscular?

Crucially, BMI doesn’t distinguish between fat and muscle and studies have found it unreliable.

What BMI Cannot tell you?

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.

What is a good BMI?

For most adults, an ideal BMI is in the 18.5 to 24.9 range. For children and young people aged 2 to 18, the BMI calculation takes into account age and gender as well as height and weight. If your BMI is: below 18.5 – you’re in the underweight range.

Is a BMI of 21 skinny?

Your body mass index, or BMI, is the relationship between your weight and your height. A BMI of 20-25 is ideal; 25-30 is overweight and over 30 is obese. If your BMI is under 18.5, you’re considered underweight. If your BMI is 18.5-20, you’re a bit underweight and can’t afford to lose more.

What is importance of BMI?

Your BMI is a measurement that is a ratio of your weight and height. It’s a good way to gauge whether your weight is in healthy proportion to your height. In fact, knowing your BMI can help you – and your GP – determine any health risks you may face if it’s outside of the healthy range.

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What is more accurate than BMI?

Waist-to-height ratio more accurate than BMI in identifying obesity, new study shows. Summary: Calculating a person’s waist-to-height ratio is the most accurate and efficient way of identifying whether or not they are at risk of obesity in clinical practice, a new study shows.

What weight do I need to be to have a BMI of 25?

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. A man who is 5 ft.

Is a BMI of 26 OK?

Someone with a BMI of 26 to 27 is about 20 percent overweight, which is generally believed to carry moderate health risks. A BMI of 30 and higher is considered obese. The higher the BMI, the greater the risk of developing additional health problems. A healthy weight is considered to be a BMI of 24 or less.

What are the disadvantages of BMI?

Disadvantages of BMI

BMI is a simple mathematical formula that measures body fat based on your height and weight. It does not take into account the source of the weight – whether it is from lean tissue or fat. BMI does not distinguish between the type of fat one carries – whether it is subcutaneous or visceral fat.

Is a BMI of 23.6 good?

If your BMI is between 18.5 and 24.9, your BMI is within the healthy weight category. This is generally good for your health. … If your BMI is between 25 and 29.9, your BMI is within the overweight category. This may not be good for your health.

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