Free Online BMI Calculator

Calculate your Body Mass Index (BMI) instantly with our comprehensive BMI calculator. Determine if you're underweight, normal weight, overweight, or obese according to WHO standards. Features metric and imperial units, BMI categories, health risk assessment, and personalized recommendations. Perfect for fitness tracking, health monitoring, medical consultations, and wellness planning. Get detailed analysis of your BMI score, ideal weight range, and actionable insights to achieve your health goals.

⚖️ BMI Analysis Tools

📊 Basic BMI Calculator

Real-time Calculation
kg
Your current weight in kilograms
cm
Your height in centimeters
years
Your age in years
For more accurate analysis
0.0
BMI Score
Enter your details
to calculate BMI
< 18.5
Underweight
18.5 - 24.9
Normal
25.0 - 29.9
Overweight
≥ 30.0
Obese

💡 BMI Information & Tips

📚
What is BMI?
Body Mass Index (BMI) is a measure of body fat based on height and weight. It's used to categorize individuals into weight status categories.
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BMI Limitations
BMI doesn't distinguish between muscle and fat mass. Athletes with high muscle mass may have high BMI but low body fat.
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Healthy Lifestyle
Focus on balanced nutrition, regular exercise, adequate sleep, and stress management for overall health beyond just BMI.

⚡ BMI Examples

📉
Underweight
50kg, 170cm (BMI 17.3)
Normal Weight
65kg, 170cm (BMI 22.5)
📊
Overweight
80kg, 170cm (BMI 27.7)
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Obese
95kg, 170cm (BMI 32.9)