# How do you know if your BMI is accurate?

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## How can I check 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.

## How do you accurately measure BMI?

To calculate your BMI, divide your weight in pounds by your height in inches squared, then multiply the results by a conversion factor of 703. For someone who is 5 feet 5 inches tall (65 inches) and weighs 150 pounds, the calculation would look like this: [150 ÷ (65)2] x 703 = 24.96.

## Is the BMI system accurate?

Despite concerns that BMI doesn’t accurately identify whether a person is healthy, most studies show that a person’s risk of chronic disease and premature death does increase with a BMI lower than 18.5 (“underweight”) or above 30.0 (“obese”) ( 4 , 5 ).

## Why BMI is inaccurate and misleading?

Body Mass Index’ biggest flaw is that it does not take into account the person’s body fat versus muscle (lean tissue) content. Muscle weighs more than fat (it is denser, a cubic inch of muscle weighs more than a cubic inch of fat).

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## What is my ideal weight in kg?

Ideal body weight (men) = 50 kg + 1.9 kg for every inch above 5 feet. Ideal body weight (women) = 49 kg + 1.7 kg for every inch above 5 feet.

## How much should a 5 4 female weigh?

Height and Weight Chart

Height Weight
5′ 2″ 104 to 135 lbs. 136 to 163 lbs.
5′ 3″ 107 to 140 lbs. 141 to 168 lbs.
5′ 4″ 110 to 144 lbs. 145 to 173 lbs.
5′ 5″ 114 to 149 lbs. 150 to 179 lbs.

## What is the most accurate way of measuring your overall health and weight?

The most basic method, and the most common, is the body mass index (BMI). Doctors can easily calculate BMI from the heights and weights they gather at each checkup; BMI tables and online calculators also make it easy for individuals to determine their own BMIs.

## 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.

21.07.2014

## What’s a better measure than BMI?

Relative fat mass is a better measure of body fatness than many indices currently used in medicine and science, including the BMI.” To work out your BMI, you divide your weight in kilograms by your height in metres, then divide the answer by your height again.

## 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 are the disadvantages of BMI?

BMI is also extremely cost-efficient, as calculations only take into account gender, height and weight. But as experts explain, BMI may be too simple. Since muscle weighs more than fat, BMI isn’t accurate in patients with extreme amounts of muscle.

## 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.

## Who should not use BMI?

A person is considered underweight if the BMI is less than 18.5. As with most measures of health, BMI is not a perfect test. For example, results can be thrown off by pregnancy or high muscle mass, and it may not be a good measure of health for children or the elderly.

## Why the BMI is wrong?

BMI does not measure body fat percentage

One of the main issues with BMI is that it cannot account for the difference between muscle and fat. Because muscle tissue is more dense than fat, many athletes and bodybuilders are considered overweight according to BMI despite being in peak athletic health.

## Who first calculated BMI?

The BMI was introduced in the early 19th century by a Belgian named Lambert Adolphe Jacques Quetelet. He was a mathematician, not a physician. He produced the formula to give a quick and easy way to measure the degree of obesity of the general population to assist the government in allocating resources.