# Why and how do we calculate BMI?

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Body mass index (BMI) is a person’s weight in kilograms divided by the square of height in meters. BMI is an inexpensive and easy screening method for weight category—underweight, healthy weight, overweight, and obesity.

## Why is it important to calculate 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 is the BMI formula and why do we use it?

BMI is short for “Body Mass Index.” It is simply a number calculated from a person’s height and weight. The more a person weighs in relation to their height, the higher their BMl. The formula used to calculate BMI is weight divided by height squared, and it is usually calculated in kg/meter2.

## What is BMI intended for?

In general, the higher the number, the more body fat a person has. BMI is often used to determine if your weight might be putting you at risk for health problems such as heart disease, diabetes, and cancer. BMI is calculated by dividing a person’s weight in kilograms by the square of their height in meters.

## How do u calculate 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. BMI applies to most adults 18-65 years.

## 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 a good BMI?

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.

## How do you calculate BMI example?

Description

1. Formula: weight (kg) / [height (m)]2 With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. …
2. Example: Weight = 68 kg, Height = 165 cm (1.65 m)
3. Calculation: 68 ÷ (1.65 x 1.65) = 24.98.

## Is BMI chart realistic?

BMI (body mass index), which is based on the height and weight of a person, is an inaccurate measure of body fat content and does not take into account muscle mass, bone density, overall body composition, and racial and sex differences, say researchers from the Perelman School of Medicine, University of Pennsylvania.

## What can I use instead of BMI?

Better than BMI: 4 ways to track your health besides the scale

• Waist-to-height ratio (WHtR) The cousin of the BMI, waist-to-height ratio compares — you guessed it — waist circumference to height, rather than overall weight to height squared. …
• Measurements. …
• Resting heart rate (RHR) …
• Skinfold Calipers.
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## What is my ideal weight?

Weight and height guide chartHeightWeight5ft 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.Ещё 17 строк

## How do I determine my ideal weight?

Adult Body Mass Index or BMI

1. If your BMI is less than 18.5, it falls within the underweight range.
2. If your BMI is 18.5 to 24.9, it falls within the normal or Healthy Weight range.
3. If your BMI is 25.0 to 29.9, it falls within the overweight range.
4. If your BMI is 30.0 or higher, it falls within the obese range.