# Frequent question: How do you do BMI?

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Body Mass Index is a simple calculation using a person’s height and 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.

## How do you calculate BMI in pounds?

Then, calculate BMI by dividing weight in pounds (lb) by height in inches (in) squared and multiplying by a conversion factor of 703. When using a handheld calculator, if your calculator has a square function, divide weight (lb) by height (in) squared, multiply by 703, and round to one decimal place.

## What is an example of BMI?

The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult’s weight in kilograms by their height in metres squared. For example, A BMI of 25 means 25kg/m2.

## How is BMI calculated and what is it used for?

Body Mass Index (BMI) is a person’s weight in kilograms divided by the square of height in meters. A high BMI can be an indicator of high body fatness. BMI can be used to screen for weight categories that may lead to health problems but it is not diagnostic of the body fatness or health of an individual.

## What is a good BMI?

BMI Weight Status
Below 18.5 Underweight
18.5—24.9 Normal
25.0—29.9 Overweight
30.0 and Above Obese

## What does the BMI tell you?

BMI is a way to figure out your approximate level of body fat in an easy, inexpensive way. It’s a number based on your weight and height that can help you tell if you are at a healthy weight for your height. In general, the higher the number, the more body fat a person has.

## What is ideal BMI for female?

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. However, BMI for women has some limitations, as it does not measure body fat specifically.

## What is a good BMI for a woman?

A BMI of 18.5–24.9 is considered normal or healthy for most women. Even though healthcare professionals can use BMI as a screening tool, they shouldn’t use it as a method to evaluate a person’s body fat levels or health status ( 32 ). Keep in mind that health is much more than body weight or body composition.

## What does a BMI of 30 look like?

82.6 / (1.67 x 1.67) = 30

A BMI greater than 40 is considered morbidly obese; between 30-39.9 is considered obese; 25-29.9 is considered overweight; 18.5-24.9 is normal; and less than 18.5 is underweight.

## Why 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.

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## What is my ideal weight?

Weight and height guide chart

Height Weight
5ft 3″ (63″) 107 to 135 lbs. 141 to 163 lbs.
5ft 4″ (64″) 110 to 140 lbs. 145 to 169 lbs.
5ft 5″ (65″) 114 to 144 lbs. 150 to 174 lbs.
5ft 6″ (66″) 118 to 148 lbs. 155 to 179 lbs.

## How do I determine my ideal weight?

Updated Equations for Ideal Weight

1. Weight in pounds = 5 x BMI + (BMI divided by 5) x (Height in inches minus 60)
2. Weight in kilograms = 2.2 x BMI + (3.5 x BMI) x (Height in meters minus 1.5)

## Do Skinny People live longer?

The study, published in the Lancet Diabetes and Endocrinology, showed that life expectancy for obese men and women was 4.2 and 3.5 years shorter respectively than people in the entire healthy BMI weight range. The difference for underweight men and women was 4.3 (men) and 4.5 (women) years.

## Is the BMI chart accurate?

As most of us fitness-focused folks have likely heard, BMI is far from a perfect measurement. Much of the time, and often when it really counts, the BMI measurement may actually overestimate or even underestimate a person’s body fat. And when it does, it really does.

## What is a good weight for 5 5 female?

Ideal Weight Chart

Male Female
5′ 4″ 117 – 143 lbs. 108 – 132 lbs.
5′ 5″ 122 – 150 lbs. 113 – 138 lbs.
5′ 6″ 128 – 156 lbs. 117 – 143 lbs.
5′ 7″ 133 – 163 lbs. 122 – 149 lbs.