BMI Calculator
Enter your height and weight to see your category: underweight, normal, overweight, or obese.
BMI
22.9
Normal
How it works
BMI is your weight in kilograms divided by the square of your height in meters.
Formula
BMI = weight (kg) / height² (m²)
Worked example
70 kg, 175 cm: BMI ≈ 22.9 (normal).
FAQ
- Is BMI always accurate?
- It doesn't distinguish muscle from fat — athletes may register as overweight.
- Suitable for children?
- Children need age- and sex-specific growth charts instead.
- What are the categories?
- <18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obese.