This calculator is used to calculate your BMI (Body Mass Index) and find out whether you are underweight or not. Use this calculator for adults, 20 years old and older.
Evaluation. The Body Mass Index, which is the ratio of a person's weight to height, has traditionally been used to assess a person's health status related to weight. Below a cutoff point of 18.5 BMI, a person is considered underweight.
Being underweight is not good for you. If you are underweight, you are most likely not eating a healthy and balanced diet and maybe lacking the nutrients. For example, calcium is essential for maintaining strong and healthy bones.
Please enter your height and weight either in English or metric units, then click "Am I Underweight?" button. It will give you the result instantly. You can also download the result in PDF filetype.