What is BMI Calculator?
BMI (body mass index) is your weight (kg) divided by the square of your height (m), a simple way to gauge weight status. Following the WHO adult classification, it shows your category from underweight to obese class III and calculates the healthy weight range for your height.
How to use
- 1
Enter your height (cm) and weight (kg).
- 2
Your BMI and category appear instantly.
- 3
Check your position on the bar and your healthy weight range.
Use cases
Before a checkup
Check your BMI category with your current height and weight.
Setting a target weight
Use the healthy weight range to set a sensible goal.
FAQ
What are the BMI categories?+
Under the WHO classification: below 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30–34.9 obese class I, 35–39.9 obese class II, 40 and above obese class III.
Can BMI alone tell my health status?+
No. It doesn't account for muscle mass, fat distribution or age, so use it only as a reference and consult a medical professional for an accurate assessment.