# You asked: How is BMI measured accurately?

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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 BMI an accurate measure of health?

BMI, the tool most often used to determine “healthy weight ranges”, was designed primarily to track the weight of populations. While it’s a simple and useful screening tool when looking at groups of people, it’s not an accurate marker of individual health.

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

The 10 Best Ways to Measure Your Body Fat Percentage

1. Skinfold Calipers. …
2. Body Circumference Measurements. …
3. Dual-Energy X-ray Absorptiometry (DXA) …
4. Hydrostatic Weighing. …
5. Air Displacement Plethysmography (Bod Pod) …
6. Bioelectrical Impedance Analysis (BIA) …
7. Bioimpedance Spectroscopy (BIS) …
8. Electrical Impedance Myography (EIM)
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## Is BMI an accurate way to measure body fat?

A. BMI (your weight in kilograms divided by the square of your height in meters) is a pretty reliable way to determine whether you have too much body fat. That said, BMI is not a perfect measure because it does not directly assess body fat.

## How is BMI measured?

How is BMI calculated? With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Because height is commonly measured in centimeters, divide height in centimeters by 100 to obtain height in meters.

## What is my ideal weight and BMI?

Weight: Your BMI is , indicating your weight is in the category for adults of your height. For your height, a normal weight range would be from to pounds.

Adult BMI Calculator.BMIWeight StatusBelow 18.5Underweight18.5—24.9Normal25.0—29.9Overweight30.0 and AboveObese

## What is more accurate than BMI?

Waist-to-height ratio more accurate than BMI in identifying obesity, new study shows. Summary: Calculating a person’s waist-to-height ratio is the most accurate and efficient way of identifying whether or not they are at risk of obesity in clinical practice, a new study shows.

## 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.

## Why do doctors still use BMI?

Body Mass Index Is a Good Gauge of Body Fat

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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.

## What is better BMI or body fat?

While BMI is a rough estimate of body fat, body fat percentage is a more accurate number. BMI, but not overfat. Likewise, a person of normal weight on the BMI scales may still be overfat and at risk of weight-related diseases.

## How do you calculate BMI with body fat percentage?

This calculation has been shown to slightly overestimate body fat percentage in people who are very overweight. Take your BMI result from Step 3 and plug it into the appropriate formula below to calculate your body fat percentage. Women: (1.20 x BMI) + (0.23 x Age) – 5.4 = Body Fat Percentage.

## What is my ideal weight for my height and age?

Weight and height guide chartHeightWeight5ft 2″ (62″)104 to 131 lbs.136 to 158 lbs.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.Ещё 17 строк

## 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.

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## 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.

## 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.