Body mass index: A key index for relating weight to height. Abbreviated BMI. BMI is a person’s weight in kilograms (kg) divided by his or her height in meters squared.

## What is a normal BMI score?

BMI ranges

below 18.5 – you’re in the underweight range. between 18.5 and 24.9 – you’re in the healthy weight range. between 25 and 29.9 – you’re in the overweight range. between 30 and 39.9 – you’re in the obese range.

## What does it mean if BMI is high or low?

A high BMI can be a sign of too much fat on the body, while a low BMI can be a sign of too little fat on the body. The higher a person’s BMI, the greater their chances of developing certain serious conditions, such as heart disease, high blood pressure, and diabetes.

## What exactly is BMI?

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.

## How do I calculate my BMI?

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.

## 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.

## What is healthy BMI for female?

Adult BMI Calculator

BMI | Weight Status |
---|---|

Below 18.5 | Underweight |

18.5—24.9 | Normal |

25.0—29.9 | Overweight |

30.0 and Above | Obese |

## How do I know my ideal weight?

Measure your waist-to-height ratio

To calculate the WtHR, a person should divide their waist size by their height. If the answer is 0.5 or less, the chances are that they have a healthy weight. A woman who is 5 feet and 4 inches tall (163 cm), should have a waist measurement below 32 inches (81 cm).

## Does age affect your BMI?

Share on Pinterest BMI incorporates height and weight but not body composition, fitness, age, or sex. For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account.

## What happens if your BMI is too low?

Weighing too little can contribute to a weakened immune system, fragile bones and feeling tired. You can check if you’re underweight by using our BMI healthy weight calculator, which shows your body mass index (BMI). If your BMI is below 18.5, this suggests that your weight may be too low.

## What are the disadvantages of BMI?

BMI Doesn’t Account For Body Composition

The first — and biggest — disadvantage of BMI is that it doesn’t account for body composition. This means that if you’re very lean or muscular, your BMI results may not provide an accurate picture of your general health.

## Why do we need to know your 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.

## What are the advantages of using BMI?

Advantages of BMI

- As stated, BMI helps measure the obesity rate in people. …
- When the BMI of a significant population is calculated, it helps researchers gather data that can be used to examine the obesity epidemic.
- It helps researchers determine the pattern of dietary that results in obesity in a large group of people.

## How do I calculate my BMI in kg?

With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Since height is commonly measured in centimeters, an alternate calculation formula, dividing the weight in kilograms by the height in centimeters squared, and then multiplying the result by 10,000, can be used.

## How do I know if I am overweight?

Adult Body Mass Index (BMI)

- If your BMI is less than 18.5, it falls within the underweight range.
- If your BMI is 18.5 to <25, it falls within the normal.
- If your BMI is 25.0 to <30, it falls within the overweight range.
- If your BMI is 30.0 or higher, it falls within the obesity range.

## How do you lower BMI?

To lower your BMI, you need to consume fewer calories than you burn. Don’t get overwhelmed. Start by lowering your calories by 500 each day, which can result in about a pound of weight loss per week. One way to do that is to not eat in front of the television.