# What is Body Mass Index and How do I calculate my BMI

# BMI Calculator

Use this calculator to check your Body Mass Index (BMI)

This BMI Calculator Is For Adults Only

Your Body Mass Index (BMI) is =

Want to use our child BMI calculator?

Child BMI CalculatorBody Mass Index, or BMI, is a calculation based on your height and weight. It’s used to determine whether you are in a healthy weight range for your height. To calculate your BMI, divide your weight in pounds by your height in inches squared, and then multiply that number by 703.

## What is Body Mass Index?

Body mass index, or BMI, is a measure of body fat based on height and weight that applies to both adult men and women. BMI is an estimate of body fat and is useful as a screening tool for overweight and obesity. However, BMI does not directly measure body fat and it should not be used as a diagnostic tool. A BMI of 25-29.9 kg/m2 indicates overweight, while a BMI of 30 kg/m2 or more indicates obesity.

To calculate your BMI, divide your weight in kilograms by your height in meters squared. For example, if you weigh 70 kilograms and are 1.75 meters tall, your BMI would be 22.9 kg/m2.

BMI isn’t perfect but it is the best measure of body fat available and it is used by healthcare professionals around the world to identify whether someone is overweight or obese.

## How do I calculate my BMI?

Body mass index (BMI) is a measure of body fat based on height and weight that applies to both adult men and women.

**To calculate your BMI, simply follow these steps:**

- Measure your weight in kilograms.
- Measure your height in meters.
- Divide your weight by your height (in meters squared).
- Check the BMI chart to see where you fall on the scale.

To calculate your BMI, divide your weight in kilograms by your height in meters squared.

For example, if you weigh 70 kilograms and are 1.75 meters tall, your BMI would be 22.9.

A BMI of 25 or above indicates you are overweight, while a BMI of 30 or above indicates you are obese.

If you want to lose weight, aim for a BMI below 25. If you are overweight or obese, talk to your doctor about ways to lose weight safely.

**The BMI Formula**

The BMI Formula is a simple way to calculate your Body Mass Index. The BMI Formula is based on your height and weight, and is a good way to estimate your body fat percentage.

To calculate your BMI using the BMI Formula, you will need to know your height and weight. Once you have this information, you can plug it into the formula and calculate your BMI.

**The BMI Formula is: BMI = kg/m2**

where kg is your weight in kilograms and m2 is your height in meters squared.

Once you have calculated your BMI, you can then compare it to the BMI chart to see where you fall on the scale. The BMI chart goes from underweight to obese, and can give you a good idea of whether or not you are at a healthy weight.

If your BMI is outside of the healthy range, don’t worry! There are plenty of ways to get back on track, including diet and exercise. Just remember, the key to a healthy lifestyle is balance!

**Body Mass Index (BMI) Calculator For Women**

BMI is a measure of body fat based on height and weight that applies to both adult men and women. To calculate your BMI, enter your height and weight in the calculator below.

**How to calculate BMI for women**

The BMI is a calculation that uses your height and weight to estimate how much body fat you have. BMI is used as a screening tool to identify possible weight-related health problems, but it is not diagnostic of the presence or absence of such problems.

**Here’s how you calculate BMI:**

- Multiply your weight in pounds by 703.
- Divide that number by your height in inches.
- Divide that number by your height in inches again.
- The resulting number is your BMI.

## What are the different categories of BMI?

There are four different categories of BMI: underweight, normal weight, overweight, and obese. Underweight is defined as a BMI below 18.5. Normal weight is defined as a BMI of 18.5 to 24.9. Overweight is defined as a BMI of 25 to 29.9. Obesity is defined as a BMI of 30 or above.

## What does BMI tell us about our health?

BMI is a number that represents our weight in relation to our height. It is used as a screening tool to identify whether someone is at a healthy weight, overweight, or obese. A BMI of 18.5-24.9 is considered healthy, 25-29.9 is considered overweight, and 30 or above is considered obese.

BMI is just one factor to consider when it comes to our health. It does not take into account our body composition (the ratio of lean mass to fat mass), which can impact our health. For example, someone with a high BMI but a lot of muscle mass may be considered healthy, while someone with a low BMI but very little muscle mass may be considered unhealthy.

There are also other health risks associated with being overweight or obese, such as heart disease, stroke, and diabetes. If you are concerned about your weight, talk to your doctor about ways to improve your health.

## What are the limitations of BMI?

BMI is a good starting point for assessing someone’s health, but it has its limitations. One major limitation is that it doesn’t take into account where your body fat is distributed. For example, someone with a higher BMI may have more muscle mass than someone with a lower BMI. Muscle mass weighs more than fat, so the BMI calculation will overestimate the amount of body fat for someone who is very muscular.

Another limitation is that BMI doesn’t account for different body types. For example, people of Asian descent tend to have more body fat than people of European descent, even if they have the same BMI. This is because different ethnic groups have different amounts of lean muscle mass and body fat distribution.

BMI also doesn’t consider age. As we age, our bodies change and we tend to lose muscle mass and gain fat. This can impact our BMI even if our weight stays the same.

Despite its limitations, BMI is still a useful tool for assessing someone’s general health. If you’re concerned about your BMI, talk to your doctor about other ways to assess your health risks, such as skinfold measurements or waist circumference measurements.

## How can I improve my BMI?

There are a number of ways you can improve your body mass index. One way is to increase your muscle mass. This can be done through weightlifting and other forms of resistance training. Another way to improve your BMI is to reduce your body fat percentage. This can be done through diet and exercise. Finally, you can also improve your BMI by increasing your height.

## Conclusion

Body mass index (BMI) is a measure 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 as a screening tool but is not diagnostic of the amount of body fat. A health care provider should perform additional assessments in order to diagnose obesity. These assessments might include skinfold thickness measurements, evaluations of diet, physical activity level, family history, and other medical conditions. Once diagnosed, obesity requires long-term treatment to prevent the serious health risks associated with it.