BMI Calculator
Calculate body mass index in metric or imperial units and see its category.
Your BMI is
and you are
Your ideal weight range is
|
BMI Categories and Health Risk
| Category | BMI | Health Risk |
|---|---|---|
| Underweight | < 18.5 | Malnutrition risk |
| Normal Weight | 18.5 - 24.9 | Low risk |
| Overweight | 25 - 29.9 | Enhanced risk |
| Obese | ≥ 30 | High risk |
BMI Calculator
Body mass index compares your weight with your height as a rough screening measure. Enter your details in centimetres or inches and kilograms or pounds to get your BMI and its category.
How to use BMI Calculator
- Enter your age and gender.
- Enter your height (cm or inches) and weight (kg or lb).
- Submit the form and read your BMI and category.
When it comes in handy
- Getting a quick indication of a healthy weight range for an adult.
- Tracking change over time alongside other health measures.
- Checking a calculation done by hand.
Frequently asked questions
What are the standard BMI ranges for adults?
Below 18.5 is underweight, 18.5 to 24.9 is a healthy range, 25 to 29.9 is overweight and 30 or above is obese.
Is BMI accurate for everyone?
No. It does not separate muscle from fat, and it is interpreted differently for children, older adults and some ethnic groups. Talk to a health professional about your own situation.
