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BMI Calculator
Free Body Mass Index (BMI) calculator for metric and imperial units. Check your healthy weight range with instant classification. 100% private tool.
Your Measurements
Your Body Mass Index
BMI Score
22.9
Normal weight
UnderweightNormalOverweightObese
Healthy Weight Range: 57 kg – 76 kg
Comment utiliser: BMI Calculator
Select your preferred measurement system: Metric (kg, cm) or Imperial (pounds, feet, inches).
Enter your current body weight.
Enter your height.
Review your Body Mass Index (BMI) score and WHO category badge (Underweight, Normal, Overweight, Obese).
Check your recommended healthy weight range according to standard international guidelines.
Exemples
- Entrée
- Metric: Weight = 70 kg, Height = 175 cm.
- Sortie
- BMI = 22.9 (Normal weight). Healthy weight range: 56.7 kg - 76.3 kg.
Falls directly within the healthy World Health Organization index for adults.
- Entrée
- Imperial: Weight = 185 lbs, Height = 5 ft 10 in (70 inches).
- Sortie
- BMI = 26.5 (Overweight). Healthy weight range: 128.9 lbs - 173.5 lbs.
Provides clear feedback on target weight boundaries for fitness planning.
Understanding Your BMI and Healthy Weight Boundaries
Maintaining a healthy weight reduces the long-term risk of cardiovascular disease, type 2 diabetes, hypertension, and joint strain. While BMI is a screening formula rather than a direct body fat measurement, tracking your index gives you a valuable baseline for overall wellness and fitness regimens.
Foire aux questions
What is Body Mass Index (BMI)?
Body Mass Index (BMI) is a widely used screening metric that evaluates a person's body mass relative to their height. It is calculated by dividing weight in kilograms by the square of height in meters.
What are the standard World Health Organization (WHO) BMI ranges?
Underweight is defined as a BMI below 18.5; Normal weight is 18.5 to 24.9; Overweight is 25.0 to 29.9; and Obese is 30.0 or higher.
Does BMI differentiate between muscle and body fat?
No. BMI is a general population screening tool rather than a diagnostic measurement of body composition. Athletes and bodybuilders with high muscle mass may register as overweight or obese despite having low body fat.
Is this BMI calculator suitable for both men and women?
Yes. The standard adult BMI formula applies to all adults aged 20 and older regardless of biological gender.
Is my personal health data saved anywhere?
No. All calculations are performed entirely inside your browser memory. We never store, track, or share your weight, height, or health metrics.
Is this tool completely free to use?
Yes, Toolhast BMI Calculator is 100% free with no registration, advertising banners, or subscription requirements.
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