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.
What does BMI actually measure?
Body mass index (BMI) is a widely use measure to determine if a person is at a healthy weight, but it may not paint the whole picture. BMI is calculated by your weight divided by your height squared. What it doesn’t take into account is how many of those pounds are fat and how many are lean muscle tissue.
How important is BMI for a person?
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.
What does a BMI of 18 indicate?
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 the best BMI for a woman?
Doctors consider a healthy BMI for women to be 18.5–24.9. A BMI of 30 or above may indicate obesity. BMI measurements can help someone understand whether they have underweight or overweight.
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 is the average BMI for a woman?
In the United States, the average adult man has a BMI of 26.6 and the average adult woman has a BMI of 26.5. Although BMI is not a measure of body fatness, persons classified as obese, tend to have excess body fat.
Why do doctors still use BMI?
Body Mass Index Is a Good Gauge of Body Fat
The most basic definition of overweight and obesity is having too much body fat-so much so that it “presents a risk to health.” (1) A reliable way to determine whether a person has too much body fat is to calculate the ratio of their weight to their height squared.
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.
How low does your BMI have to be to be hospitalized?
BMI < 13 is an indicatior for certification under the Mental Health Act if the patient refuses admission although BMI < 13 alone is not enough for admission.
What BMI is considered skinny?
If your BMI is below 20: Under Weight
This indicates a lean BMI, which means you have a low amount of body fat.
What is a good BMI number?
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.
What is my BMI if I weigh 160?
Inside the square where your weight and height meet is a number that is an estimate of your BMI. For example, if you weigh 160 pounds and are 5’7″, your BMI is 25.
How much should a 5’5 female weigh?
Height and Weight ChartHeightWeight5′ 3″107 to 140 lbs.169 to 220 lbs.5′ 4″110 to 144 lbs.174 to 227 lbs.5′ 5″114 to 149 lbs.180 to 234 lbs.5′ 6″118 to 154 lbs.186 to 241 lbs.Ещё 17 строк
What is a healthy BMI for 5’2 female?
What’s My Ideal Body Weight and BMI?MaleFemaleHeightIdeal WeightIdeal Weight5′ 0″95 – 117 lbs.90 – 110 lbs.5′ 1″101 – 123 lbs.95 – 116 lbs.5′ 2″106 – 130 lbs.99 – 121 lbs.Ещё 28 строк