BMI Calculator
Modify the values and click the calculate button to use
ages: 2 - 120
BMI = 20.1 kg/m2 (Normal)
16
17
18.5
25
30
35
40
Underweight
Normal
Overweight
Obesity
Healthy BMI range
18.5 kg/m2 - 25 kg/m2
Healthy weight for height
59.9 kg - 81 kg
BMI Prime
0.8
Ponderal Index
11.1 kg/m3
BMI Introduction
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.
BMI Table for Adults
This is the World Health Organization's (WHO) recommended body weight based on BMI values for adults. It is used for both men and women, age 20 or older.
| Classification | BMI range - kg/m2 |
|---|---|
| Severe Thinness | < 16 |
| Moderate Thinness | 16 - 17 |
| Mild Thinness | 17 - 18.5 |
| Normal | 18.5 - 25 |
| Overweight | 25 - 30 |
| Obese Class I | 30 - 35 |
| Obese Class II | 35 - 40 |
| Obese Class III | > 40 |
Risks Associated with Being Overweight
- High blood pressure
- Higher levels of LDL cholesterol
- Type II diabetes
- Coronary heart disease
- Stroke
- Gallbladder disease
- Osteoarthritis
- Sleep apnea and breathing problems
- Certain cancers
- Low quality of life
Risks Associated with Being Underweight
- Malnutrition, vitamin deficiencies, anemia
- Osteoporosis
- A decrease in immune function
- Growth and development issues
- Possible reproductive issues for women
