A method for assessing your body size is taking your weight and height into account is called

Body Mass Index (BMI)

The method for assessing body size by taking weight and height into account is called Body Mass Index (BMI). It is a common measurement used to determine if an individual is underweight, normal weight, overweight, or obese. BMI is calculated by dividing a person's weight in kilograms by the square of their height in meters. The result is then interpreted using specific ranges designated by the World Health Organization (WHO) or other health organizations. Keep in mind that while BMI is a useful tool for assessing body size, it may not be accurate for everyone, particularly athletes or individuals with a muscular build.

The method for assessing your body size by taking your weight and height into account is called Body Mass Index (BMI). BMI is a simple calculation that determines the relationship between your weight and height. It can help in identifying whether a person is underweight, normal weight, overweight, or obese.

To calculate your BMI, you need to follow these steps:
1. Measure your weight in kilograms (kg).
2. Measure your height in meters (m) or convert it from feet and inches to meters. (1 meter = 3.28 feet)
3. Square your height in meters. (Example: Height = 1.7m, then square of height = 1.7 * 1.7 = 2.89)
4. Divide your weight (in kg) by the square of your height (in meters). The formula is BMI = weight (kg) / (height (m))^2.

Once you calculate your BMI, you can interpret the result using the following categories:
- Underweight: BMI less than 18.5
- Normal weight: BMI between 18.5 and 24.9
- Overweight: BMI between 25 and 29.9
- Obese: BMI of 30 or higher

Please note that while BMI provides a general assessment, it does not take into account factors such as muscle mass or distribution of fat. It is always advisable to consult a healthcare professional for a comprehensive evaluation of your body size and health.