BMI Calculator
Calculate your Body Mass Index instantly
What Is BMI?
Body Mass Index (BMI) is a measure of body fat based on height and weight. It's used to screen for weight categories that may lead to health problems. While BMI doesn't measure body fat directly, it provides a reliable indicator of body fatness for most people.
How to Use
- Enter your weight in kilograms
- Enter your height in centimeters
- Click "Calculate BMI" to see your results
Example
Sarah's BMI
Weight: 70 kg
Height: 175 cm
BMI: 22.9
Category: Normal weight
BMI Categories
Underweight (BMI < 18.5)
May indicate malnutrition or other health issues. Consult a healthcare provider.
Normal (BMI 18.5-24.9)
Healthy weight range. Maintain with balanced diet and regular exercise.
Overweight (BMI 25-29.9)
Increased risk of health issues. Consider lifestyle changes.
Obese (BMI ≥ 30)
High risk of health problems. Seek medical advice.
FAQs
Is BMI accurate for everyone?
BMI is generally accurate for adults, but may not be accurate for athletes, pregnant women, or the elderly.
What is a healthy BMI?
A BMI between 18.5 and 24.9 is considered healthy for most adults.
Can I use this for children?
This calculator is designed for adults. Children and teens should use age-specific BMI percentiles.