Q:
# How much should a 12-year-old weigh?

A:

**According to the Centers for Disease Control and Prevention, a 12-year-old child has a healthy weight if his body mass index for his age group ranges between the fifth and 85th percentile.** A child's birth date, height, weight, date of the measurement and sex can be used to determine BMI.

Because healthy weight changes as height increases, and body fat ratios change as a person gets older, the CDC does not provide a range of healthy weights for any age. Even though it recommends seeing a physician to accurately determine a child's body mass index, it also provides helpful tutorials to assist parents in calculating their child's body mass index with precision.

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Q:
## How do you figure out your body mass index?

A:According to the Centers for Disease Control and Prevention, body mass index is calculated by using weight and height. If the measurement system used is the International System of Units, the weight of the individual in kilograms is divided by the height in meters squared. If the measurement system used is the United States Customary Units, the weight in pounds is divided by height in inches squared multiplied by 703.

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Q:
## What is a good weight-to-height ratio?

A:In general, a good weight-to-height ratio, or BMI for body mass index, is agreed to be between 18.5 and 25 for adults if following a standard BMI formula. There is no one good BMI, according to MedicalNewsToday.com.

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## What is the formula to calculate body mass index?

A:The formula to calculate body mass index is weight (kg) / height (meters) squared. Usually abbreviated to BMI, body mass index is a measure of the body fat of adult men and women based on their height and weight. Another formula is mass (pounds) / height (inches) squared x 703.

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Q:
## What is a healthy percentage of body mass index in men?

A:

Full Answer >**A healthy percentage of BMI ranges from 18.5 - 24.9; body mass index is calculated based on height and weight and is the same for both men and women.**Anything below the range is underweight, and above is either overweight or obese.Filed Under: