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Calculate your BMI and discover your healthy weight range. Simple, accurate, and free BMI calculator with personalized health insights.
The BMI (Body Mass Index) calculator scientifically evaluates your health status based on your height and weight, providing personalized health advice and ideal weight range references.
Understand Body Mass Index, its limitations, and how to use it as a health indicator alongside other measurements.
BMI (Body Mass Index) is a measure of body fat based on height and weight. It's calculated as: BMI = weight (kg) / height² (m²). For imperial units: BMI = (weight in pounds × 703) / height² (inches²).
For adults, a healthy BMI is typically between 18.5 and 24.9. BMI below 18.5 is considered underweight, 25-29.9 is overweight, and 30 or above is obese. However, BMI doesn't account for muscle mass or body composition.
BMI is a useful screening tool but has limitations. It may not be accurate for athletes with high muscle mass, pregnant women, elderly people, or certain ethnic groups. Always consult a healthcare professional for personalized health advice.
Yes! Our BMI calculator supports both metric (kg, cm) and imperial (lbs, inches) units. Simply select your preferred unit system and enter your measurements - results are calculated automatically.
For adults: Underweight = below 18.5, Normal = 18.5-24.9, Overweight = 25-29.9, Obese = 30 and above. These ranges are standard for adults but may vary slightly by age and gender.
Yes, BMI doesn't distinguish between muscle and fat. Athletes with high muscle mass may have high BMI but low body fat. Consider using waist circumference or body fat percentage for a complete health picture.
Yes, 100% free. Calculate your BMI instantly and get health insights without any registration required. Track your health journey with no costs or subscriptions.
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