How accurate is a BMI Calculator?
Body Mass Index (BMI) is not a very accurate measurement for determining whether somebody is of normal weight, overweight or obese, researchers say.
What are the different ways to calculate BMI?
NASM's BMI Calculator
- BMI Formula. The formula for BMI simply utilizes height and weight to create an index measurement, which has no units.
- 5 Health Risks Associated with a High BMI. BMI is an incredibly useful tool for risk prediction. ...
- Shortcomings of the BMI. BMI is often debated as not being a useful tool. ...
- BMI Differences for Men, Women, and Children. ...
How to measure your BMI Calculator?
To measure your waist:
- Find the bottom of your ribs and the top of your hips.
- Wrap a tape measure around your waist midway between these points.
- Breathe out naturally before taking the measurement.
How to measure my BMI Calculator?
BMI is calculated by: Dividing your weight (kg) by your height (m) Dividing the answer by your height (m) again to get your BMI. If your BMI is greater than 25, then you fall into the overweight category. As weight increases above a healthy range, the increased body fat levels are associated with a higher risk of developing health problems such ...
What is the correct BMI for my age?
Height: Weight: Your BMI is , indicating your weight is in the category for adults of your height. For your height, a healthy weight range would be from to pounds....Adult BMI Calculator.BMIWeight StatusBelow 18.5Underweight18.5—24.9Healthy25.0—29.9Overweight30.0 and AboveObese
What is BMI if height and weight?
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.
What is a healthy BMI for a woman?
BMI ranges for women A healthy BMI for women falls between 18.5 and 24.9. Find your BMI in the chart below to see your weight classification.
What is a good BMI for my age and weight?
Doctors recommend most adults keep their BMI between 18 and 24.9. Adults with a BMI over 25 are considered obese. On the other hand, older adults do better if they have a BMI between 25 and 27. Research shows that adults over 65 who are underweight experience more health issues and shorter life expectancy.
How much should a 5'5 female weigh?
Height and Weight ChartHeightWeight5' 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.5' 6"118 to 154 lbs.155 to 185 lbs.17 more rows
How do you calculate BMI example?
Body Mass Index (BMI) = (weight (kg) / height (m2) Example: Your weight = 68 kg / Your height = 1.65 m (165 cm) BMI Calculation: 68 ÷ 1.652 = 24.98.
What is the ideal weight for a 50 year old woman?
Average weights of U.S. women across the adult lifespan are: Ages 20-39: 167.6 pounds. Ages 40-59: 176.4 pounds. Ages 60 and up: 166.5 pounds.
What should a 50 year old woman's BMI?
28 - 29 BMI40 years: 27 - 28 BMI. 50 years: 28 - 29 BMI.
What is a good BMI for 55 year old woman?
Doctors consider a moderate 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 are underweight or overweight.
What is a good weight for a 70 year old woman?
Normal weight at 118 to 159 pounds (BMI = 18.5-24.9) Overweight at 160 to 191 pounds (BMI = 25-29.9) Obese at 192 pounds or more (BMI = 30+)
What is the average weight for a 61 year old female?
166.5 poundsU.S. AveragesAverage Weight for American Women by AgeAge GroupAverage Weight20–39167.6 pounds40–59176.4 pounds60 and up166.5 poundsApr 16, 2021
How much should a 65 year old female weigh?
The average American woman 20 years old and up weighs 170.6 pounds and stands at 63.7 inches (almost 5 feet, 4 inches) tall....What's the Average Weight for Women?Age group (years)Percent considered overweight or obesePercent considered obese45-5469.542.955-6474.548.265-7475.643.575 and up67.432.73 more rows
What does BMI mean?
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. People who are overweight or obese are at higher risk for chronic conditions such as high blood pressure, diabetes, and high cholesterol.
Why is it important to maintain a healthy weight?
Maintaining a healthy weight may reduce the risk of chronic diseases associated with overweight and obesity. For information about the importance of a healthy diet and physical activity in maintaining a healthy weight, visit Preventing Weight Gain. For the information you entered:
Is BMI a reliable indicator of body fatness?
BMI provides a fairly reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems. Visit the CDC Web Site: More about BMI for Adults. Healthy Weight.
What is BMI in health?
BMI is a measurement of a person's leanness or corpulence based on their height and weight, and is intended to quantify tissue mass. It is widely used as a general indicator of whether a person has a healthy body weight for their height.
What age should I be to get a BMI?
BMI table for children and teens, age 2-20. The Centers for Disease Control and Prevention (CDC) recommends BMI categorization for children and teens between age 2 and 20. Category. Percentile Range. Underweight.
How is the Ponderal Index similar to the BMI?
The Ponderal Index (PI) is similar to BMI in that it measures the leanness or corpulence of a person based on their height and weight. The main difference between the PI and BMI is the cubing rather than squaring of the height in the formula (provided below). While BMI can be a useful tool when considering large populations, it is not reliable for determining leanness or corpulence in individuals. Although the PI suffers from similar considerations, the PI is more reliable for use with very tall or short individuals, while BMI tends to record uncharacteristically high or low body fat levels for those on the extreme ends of the height and weight spectrum. Below is the equation for computing the PI of an individual using USC, again using a 5'10", 160-pound individual as an example:
What are the health risks of being overweight?
Being overweight increases the risk of a number of serious diseases and health conditions. Below is a list of said risks, according to the Centers for Disease Control and Prevention (CDC): 1 High blood pressure 2 Higher levels of LDL cholesterol, which is widely considered "bad cholesterol," lower levels of HDL cholesterol, considered to be good cholesterol in moderation, and high levels of triglycerides 3 Type II diabetes 4 Coronary heart disease 5 Stroke 6 Gallbladder disease 7 Osteoarthritis, a type of joint disease caused by breakdown of joint cartilage 8 Sleep apnea and breathing problems 9 Certain cancers (endometrial, breast, colon, kidney, gallbladder, liver) 10 Low quality of life 11 Mental illnesses such as clinical depression, anxiety, and others 12 Body pains and difficulty with certain physical functions 13 Generally, an increased risk of mortality compared to those with a healthy BMI
Why should BMI be considered?
Due to a wide variety of body types as well as distribution of muscle, bone mass, and fat, BMI should be considered along with other measurements rather than being used as the sole method for determining a person's healthy body weight.
What is the purpose of BMI?
Specifically, the value obtained from the calculation of BMI is used to categorize whether a person is underweight, normal weight, overweight, or obese depending on what range the value falls between. These ranges of BMI vary based on factors such as region and age, and are sometimes further divided into subcategories such as severely underweight ...
Why is BMI not accurate?
BMI cannot be fully accurate because it is a measure of excess body weight, rather than excess body fat. BMI is further influenced by factors such as age, sex, ethnicity, muscle mass, and body fat, and activity level, among others.
What is BMI in a calculator?
BMI Calculator. Your BMI (Body Mass Index) is a calculation that is used to determine if a person is overweight that applies to both adult men and women. Although BMI is not perfect because it does not directly assess body fat, it is still considered a reasonable alternative for identify people who are overweight or obese, ...
How to find your BMI?
First, identify your weight (to the nearest 10 pounds) in one of the columns across the top, then move your finger down the column until you come to the row that represents your height. Inside the square where your weight and height meet is a number that is an estimate of your BMI.
Is BMI a good measure of body fat?
Although BMI is not perfect because it does not directly assess body fat, it is still considered a reasonable alternative for identify people who are overweight or obese, since measuring body fat directly is a costly process. This BMI calculator will give your estimated number.
What is the BMI of a woman?
BMI (Body Mass Index) is a measurement of body fat based on height and weight that applies to both men and women between the ages of 18 and 65 years. BMI can be used to indicate if you are overweight, obese, underweight or normal. A healthy BMI score is between 20 and 25.
What is a good BMI?
A healthy BMI score is between 20 and 25. A score below 20 indicates that you may be underweight; a value above 25 indicates that you may be overweight. You can calculate your BMI by using our BMI Calculator below, or by using the BMI Formula. Please remember, however, that this is only one of many possible ways to assess your weight.
What age is the BMI calculator?
For children and young people aged 2 to 18, the BMI calculator takes into account age and gender as well as height and weight. Overweight children are thought to be at increased risk of a variety of health conditions, and they're also more likely to be overweight as adults.
Why is BMI expressed as a centile?
A child's BMI is expressed as a "centile" to show how their BMI compares with children who took part in national surveys. For example, a girl on the 75th centile is heavier than 75 out of 100 other girls her age.
Why is it important to measure your waist?
Measuring your waist is a good way to check you're not carrying too much fat around your stomach, which can raise your risk of heart disease, type 2 diabetes and stroke. You can have a healthy BMI and still have excess tummy fat, meaning you're still at risk of developing these conditions. To measure your waist:
Why is waist size important?
Why waist size also matters. Measuring your waist is a good way to check you're not carrying too much fat around your stomach, which can raise your risk of heart disease, type 2 diabetes and stroke. You can have a healthy BMI and still have excess tummy fat, meaning you're still at risk of developing these conditions.
How do I lose weight?
Overweight. The best way to lose weight if you're overweight is through a combination of diet and exercise. The BMI calculator will give you a personal calorie allowance to help you achieve a healthy weight safely.
How to measure waist size?
To measure your waist: Find the bottom of your ribs and the top of your hips. Wrap a tape measure around your waist midway between these points. Breathe out naturally before taking the measurement. Regardless of your height or BMI, you should try to lose weight if your waist is: 94cm (37ins) or more for men.
Can BMI tell you if you are overweight?
The BMI cannot tell the difference between excess fat, muscle or bone. The adult BMI does not take into account age, gender or muscle mass. This means: very muscular adults and athletes may be classed "overweight" or "obese" even though their body fat is low.
What is BMI used for?
BMI is a reliable indicator of body fatness for most people. It is used to screen for weight categories that may lead to health problems. Copy the code below for this widget. <div data-cdc-widget=”childTeenBMI” data-widget-max-width=”430px” data-widget-max-height=”750px”></div><br /><br /><br /><script src=”https://t.cdc.gov/1M1B”></script><br ...
Is BMI a substitute for medical advice?
It is not a substitute for professional medical advice. Because BMI is based on weight and height, it is only an indicator of body fatness. Individuals with the same BMI may have different amounts of body fat. Persons may consider seeking advice from their healthcare providers on healthy weight status.
What is BMI in health?
BMI is a way of measuring a person's weight relative to his or her height. BMI expresses how thick or thin a person is in simple numeric terms, and allows doctors and other health professionals to discuss weight objectively on a standardized scale.
Is BMI calculated for all ages?
Although BMI is calculated the same way worldwide for all ages, the way an individual's BMI is interpreted depending on location and the person's age: In many Southeast Asian countries, the thresholds for the overweight and obese categories tend to be lower.