Body Mass Index (or BMI) is calculated as your weight (in kilograms) divided by the square of your height (in metres) or BMI = Kg/M2.

## What is the most accurate way to measure BMI?

The 10 Best Ways to Measure Your Body Fat Percentage

- Skinfold Calipers. …
- Body Circumference Measurements. …
- Dual-Energy X-ray Absorptiometry (DXA) …
- Hydrostatic Weighing. …
- Air Displacement Plethysmography (Bod Pod) …
- Bioelectrical Impedance Analysis (BIA) …
- Bioimpedance Spectroscopy (BIS) …
- Electrical Impedance Myography (EIM)

## How do I calculate my BMI at home?

How to calculate Body Mass Index. 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.

## Is Smart BMI 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 the best BMI value?

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. If your BMI is: below 18.5 – you’re in the underweight range.

## What should you 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.

## Is BMI accurate if you are muscular?

Crucially, BMI doesn’t distinguish between fat and muscle and studies have found it unreliable.

## How do you calculate BMI example?

Description

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

## How do I determine my ideal weight?

It is calculated according to BMI = weight/height² . The optimal, healthy range for BMI is between 18.5 and 24.9. Our ideal weight calculator converts this back into weight, presenting to you the range of appropriate weights for your height.

## How do you find your ideal weight?

Method 1: Body mass index (BMI)

- A BMI of less than 18.5 means that a person is underweight.
- A BMI of between 18.5 and 24.9 is ideal.
- A BMI of between 25 and 29.9 is overweight.
- A BMI over 30 indicates obesity.

## Why do doctors still use BMI?

Body Mass Index Is a Good Gauge of Body Fat

The most basic definition of overweight and obesity is having too much body fat-so much so that it “presents a risk to health.” (1) A reliable way to determine whether a person has too much body fat is to calculate the ratio of their weight to their height squared.

## Why is my BMI high when I’m not fat?

Muscle mass can make you heavier and increase your BMI.

Because muscles are more dense and heavier than fat, bodybuilders and other professional athletes like football players are often considered obese or overweight based on their BMI alone. If you have high muscle composition, you’re probably not overweight or obese.

## What is a healthy waist size?

For your best health, your waist should be less than 40 inches around for men, and less than 35 inches for women. If it’s larger than that, you may want to talk with your doctor about what your next steps are, including losing weight. You can’t spot-reduce your waist, or any other part of your body.

## 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 weight do I need to be to have a BMI of 25?

Charts and online calculators

4 in. tall is considered overweight (BMI is 25 to 29) if she weighs between about 145 and 169 pounds. She is considered obese (BMI is 30 or more) if she is closer to 174 pounds or more. A man who is 5 ft.

## What is the average BMI for a woman?

In the United States, the average adult man has a BMI of 26.6 and the average adult woman has a BMI of 26.5. Although BMI is not a measure of body fatness, persons classified as obese, tend to have excess body fat.