BMI is a useful measure of overweight and obesity. It is calculated from your height and weight. BMI is an estimate of body fat and a good gauge of your risk for diseases that can occur with more body fat.
What does a BMI test tell you?
BMI is a number that measures weight in relation to height. You can use a BMI calculator, or calculate it yourself by dividing your weight (in pounds) by your height (in inches) squared and multiplying by 703. Here’s an example if your weight is 150 pounds and height is 5’5″ or 65”.
What are the uses of BMI?
BMI is an inexpensive and easy screening method for weight category—underweight, healthy weight, overweight, and obesity. BMI does not measure body fat directly, but BMI is moderately correlated with more direct measures of body fat 1,2,3.
What is BMI a good indicator of?
BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.
How do I assess my 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 BMI accurate if you are muscular?
Crucially, BMI doesn’t distinguish between fat and muscle and studies have found it unreliable.
What BMI Cannot tell you?
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 is a good BMI for a woman?
If your BMI is between 18.5-24.9: Your BMI is considered normal. This healthy weight helps reduce your risk of serious health conditions and means you’re close to your fitness goals. If your BMI is between 25-29.9: Your BMI is considered overweight.
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.
How do you use BMI chart?
To use the charts below, find your weight in pounds along the top and your height in feet and inches down the side. Then look across to find your BMI. There are two charts. If a person’s weight is 200 pounds (lb) or under, they should use the first chart.
Is weight an indicator of health?
A new study published Monday confirms that body weight isn’t an accurate indicator for certain health risks.
Is BMI a good health indicator?
BMI is a useful indicator of health at the population level. However, the distribution of fat on your body is more important that the amount, when assessing your disease risk. For this reason, your waist circumference is thought to be a better predictor of health risk than your BMI.
What should 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.
How do you calculate BMI example?
- 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 find 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).
What is a good BMI for men?
The BMI for a typical adult American male is 28.6, according to the CDC, which rates a BMI of 18.5 to 24.9 as “normal” and a BMI of 25 to 29.9 as “overweight.” Any adult with a BMI of 30 or higher is considered obese.