You are viewing the article How to Calculate Your Body Mass Index (BMI) at Lassho.edu.vn you can quickly access the necessary information in the table of contents of the article below.
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This article was co-written by Dean Theriot. Dean Theriot is a personal trainer and owner of Timberline Fitness in Houston, Texas. With over 25 years of experience in the fitness industry, Dean specializes in individual, group and sport-specific training. Dean holds a bachelor’s degree in sports physiology from LSU University. Dean combines resistance training, cardio with pilates exercises to provide comprehensive health training for his clients. His sports-specific training program includes soccer, basketball, and baseball.
There are 7 references cited in this article that you can view at the bottom of the page.
This article has been viewed 24,409 times.
When you know your body mass index (aka BMI), you can easily assess and adjust your weight. While this number doesn’t tell you exactly how much body fat you have, it’s the simplest and least expensive way to measure it. [1] X Trusted Source Centers for Disease Contrp and Prevention Go to source There are different ways to calculate BMI depending on the measurement method you choose. First, you need to remember your current height and weight so that you can calculate your BMI.
See Why should you try this? for the benefits of BMI calculation.
Steps
Measure in metric
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Measure height in meters and square it. You will first multiply the height measured in meters by itself. For example, if you were 1.75m tall, you would multiply 1.75 by 1.75 and get a rounded result of 3.06. [2] X Trusted Source Centers for Disease Contrp and Prevention Go to source
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Divide your weight in kilograms by your height in squared meters. The next step is to divide your weight in kilograms by your height in meters squared. For example, if your weight is 75kg and your height in meters squared is 3.06, you would divide 75 by 3.06 and the result 24.5 is your BMI. [3] X Trusted Source Centers for Disease Contrp and Prevention Go to source
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Use the extra unit conversion formula if you measure your height in centimeters. You can still calculate BMI if your height is measured in centimeters, but you’ll need to use a slightly different formula to calculate it. The formula would be weight in kilograms divided by height in centimeters, then dividing the result by height in centimeters one more time, finally. Multiply the result by 10,000. [4] X Trusted Source Centers for Disease Contrp and Prevention Go to source
- For example, if your weight is 60 kg and your height is 152 cm, you would divide 60 by 152 and then divide it by 152 again (60 / 152 / 152) to get 0.002596. Multiply this by 10,000 and you’ll get 25.96, or round to 26. The BMI in this example is about 26.
- Another way is to convert the height in centimeters to meters by moving the decimal point two units to the left. For example, 152 cm equals 1.52 m. You would then calculate your BMI by squaring your height in meters and dividing your weight by your height squared. For example, 1.52 times 1.52 equals 2.31. If your weight is 80kg, you will divide 80 by 2.31 and the result 34.6 is your BMI.
Use the British measurement system
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Calculate the square of the height measured in inches. To calculate the square of your height, you multiply the height measurement in inches by itself. For example, if your height is 70 inches, you multiply 70 by 70. Your answer in this example is 4,900. [5] X Trusted Source Centers for Disease Contrp and Prevention Go to source
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Divide weight by height. Next, you need to divide your weight by your height squared. For example, if your weight was 180 pounds, you would divide 180 by 4,900 and get 0.03673. [6] X Trusted Source Centers for Disease Contrp and Prevention Go to source
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Multiply your answer by 703. To get your BMI, you’ll need to multiply your answer by 703. For example, 0.03673 times 703 equals 25.82 and your BMI in this example is 25.8 . [7] X Trusted Source Centers for Disease Contrp and Prevention Go to source
Convert the unit of measure to the metric system
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Multiply the height in inches by 0.025. The number 0.025 is the factor that helps you convert inches to meters. For example, if your height was 60 inches, you would multiply 60 by 0.025 and get an answer of 1.5 meters. [8] X Research Sources
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Square the result just found. Next, you need to multiply the number you just found by itself. For example, if the result you just found was 1.5, you would multiply 1.5 by 1.5. In this case, your answer would be 2.25. [9] X Research Source
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Multiply your weight in pounds by 0.45. The number 0.45 is the factor used to convert pounds to kilograms. This will help you convert your weight to metric units. For example, if your weight is 150 pounds, your answer would be 67.5. [10] X Research Source
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Divide the big number by the small number. Divide your weight in units by your squared height. For example, you would divide 67.5 by 2.25. The answer 30 in this example is your BMI. [11] X Research Source
Why should you try this?
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Calculate BMI to determine your weight status. BMI is important because it tells you whether you are underweight, overweight, obese or fit. [12] X Trusted Source Centers for Disease Contrp and Prevention Go to source
- A BMI below 18.5 means you are underweight.
- A BMI between 18.6 and 24.9 is healthy.
- A BMI between 25 and 29.9 means you are overweight.
- A BMI of 30 or more indicates obesity.
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Use your BMI to see if you need weight loss surgery. In some cases, the BMI must be somewhat higher if you want to have weight loss surgery. For example, to be eligible for bariatric surgery in the UK, you need to have a BMI of at least 35 if you don’t have diabetes and a BMI of at least 30 if you have diabetes. [13] X Research Source
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Monitor changes in BMI. You can use BMI to track your weight. For example, if you want to keep track of your weight loss, it is very helpful to calculate your BMI regularly. Or, if you want to track your own or your child’s growth, one of the ways you can do this is to calculate and track BMI.
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Calculate BMI before considering expensive and highly invasive methods. People with a BMI below 25 are generally considered healthy. However, if your muscle percentage is higher than normal, your BMI will also be higher. In this case, a BMI higher than 25 does not mean you are overweight. If you have muscle, try checking the thickness of the skin folds to determine if you have a lot of body fat.
- Besides skin fold thickness testing, underwater body weight measurement, dual-energy X-ray absorptiometry (DXA), and bioelectricity are all some of the common ways to determine muscle fat. body. Note, however, that these methods are often expensive and more invasive than calculating BMI. [14] X Trusted Source Centers for Disease Contrp and Prevention Go to source
Advice
- Another simple way to determine your weight status is to calculate your waist-to-hip ratio to find out how much fat you have around your waist, or visceral fat. High levels of visceral fat also pose serious health risks.
- You can use a number of calculators available online if you are having trouble calculating your BMI yourself.
- Maintaining a healthy weight is perhaps the most important step to staying healthy and prolonging life. BMI helps you determine if you need to lose weight. Remember that a BMI above 25 indicates you are overweight and a BMI above 30 means you are obese, which is very dangerous for your health.
Warning
- BMI is relatively useful for people between the ages of 25 and 65. However, this index also has some limitations. You can’t tell muscle mass or body shape (such as “apple” or “pear”).
Things you need
- Healthy weight
- Folding ruler or tape measure
- Pencil and paper
- Computer
X
This article was co-written by Dean Theriot. Dean Theriot is a personal trainer and owner of Timberline Fitness in Houston, Texas. With over 25 years of experience in the fitness industry, Dean specializes in individual, group and sport-specific training. Dean holds a bachelor’s degree in sports physiology from LSU University. Dean combines resistance training, cardio with pilates exercises to provide comprehensive health training for his clients. His sports-specific training program includes soccer, basketball, and baseball.
There are 7 references cited in this article that you can see at the bottom of the page.
This article has been viewed 24,409 times.
When you know your body mass index (aka BMI), you can easily assess and adjust your weight. While this number doesn’t tell you exactly how much body fat you have, it’s the simplest and least expensive way to measure it. [1] X Trusted Source Centers for Disease Contrp and Prevention Go to source There are different ways to calculate BMI depending on the measurement method you choose. First, you need to remember your current height and weight so that you can calculate your BMI.
See Why should you try this? for the benefits of BMI calculation.
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