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Body mass index, or BMI, is a way to assist you figure out if you are at a healthy weight for your height. BMI is a number based upon your weight and height. In general, the higher the number, the more body fat an individual has. If your weight may be putting you at risk for health issues such as heart diabetes, cancer, and disease, BMI is frequently utilized as a screening tool to choose.

BMI is used to broadly specify various weight groups in adults 20 years old or older. The exact same groups apply to both ladies and guys.

• Underweight: BMI is less than 18.5

• Typical weight: BMI is 18.5 to 24.9

• Overweight: BMI is 25 to 29.9

• Overweight: BMI is 30 or more

What is my BMI?

There are several methods to find your BMI.

Charts and online calculators

Tables and charts, such as the one listed below, are one simple method to figure out your BMI. There are likewise a number of online BMI calculators, such as this one on our website.

To use the table below, find your height on the left side of the chart, then go across to the weight that is closest to yours. At the top of the chart you can see your BMI, and at the bottom of the chart you can see which category you fit into-- healthy weight, overweight, or overweight:.

Some examples

This table shows us that a woman who is 5 ft. 4 in. high is considered overweight (BMI is 25 to 29) if she weighs in between 145 and 169 pounds. She is thought about overweight (BMI is 30 or more) if she weighs 174 pounds or more.

A man who is 5 ft. 10 in. high is thought about overweight (BMI is 25 to 29) if he weighs in between 174 and 202 pounds, and is overweight (BMI is 30 or more) if he weighs 209 pounds or more.

Computing my BMI

You can likewise compute your own BMI. The real formula to identify BMI utilizes metric system measurements: weight in kilograms (kg) divided by height in meters, squared (m2).

When using pounds and inches, the formula requires to be altered somewhat. Multiply your weight in pounds by 703. Divide that by your height in inches, squared:.

BMI = (your weight in pounds x 703) ÷ (your height in inches x your height in inches).

For example, if you weigh 120 pounds and are 5 ft. 3 in. (63 in.) high:.

BMI = (120 x 703) ÷ (63 x 63) or 84,360 ÷ 3969 = 21.3.

This is well within the healthy weight variety.

Are there any issues utilizing the BMI?

Nurses and doctors often use BMI to assist learn if a person may have a weight issue. BMI gives a great quote of total body fat for the majority of people, but it doesn't work well for everyone. For instance, bodybuilders or other really muscular individuals can have a high BMI because of their muscle mass, even though they're not necessarily overweight. The BMI can likewise undervalue body fat in individuals who have actually lost muscle mass, such as some older people.

For many adults, the BMI is a great way to get a concept of healthy weight ranges. However it's not constantly the final word in deciding if a person is obese or overweight. When evaluating how much somebody ought to weigh, there are other things to think about. A person with a high BMI must be assessed by a healthcare supplier, who may use other aspects such as skinfold thickness (a step of body fat), waist size, assessments of diet and household illness, and other factors to find out if a person's weight might posture a health threat.

BMI in teens and children

BMI can be calculated the same way for children and teenagers as it is for adults, however the numbers don't have the very same meaning. This is since the regular quantity of body fat changes with age in teenagers and kids, and is various between young boys and girls. So for kids, BMI levels that specify being regular weight or overweight are based on the kid's age and gender.

To account for this, the US Centers for Disease Control and Prevention (CDC) has actually established age- and gender-specific growth charts. These charts are used to translate a BMI number into a percentile based upon a child's sex and age. The percentiles are then utilized to identify the different weight groups:.

• Underweight: less than the 5th percentile

• Normal weight: 5th percentile to less than the 85th percentile

• Overweight: 85th percentile to less than the 95th percentile

• Obese: 95th percentile or higher

Even in a young person, being overweight or overweight can trigger health problems. And it might directly increase the risk for certain health problems later in life, including some sort of cancer. It likewise increases the possibilities of being obese or overweight as an adult, as well as the danger of health issue that can feature this.