BMI Calculator for Adults

Check if your weight is healthy (Metric & Imperial)

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Enter your height and weight to see your BMI
Your BMI
0.0
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of adults
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ideal range
Under
<18.5
Normal
18.5-24.9
Over
25-29.9
Obese
30+

HOW IT WORKS

BMI = weight(kg) / height(m)². Normal range: 18.5-24.9. This is a general indicator and doesn't account for muscle mass or body composition.

UNDERSTANDING YOUR BMI CATEGORY

Underweight (<18.5): May indicate malnutrition or underlying health issues. Consider consulting a healthcare provider.

Normal (18.5-24.9): Considered a healthy weight range for most adults, associated with lower health risks.

Overweight (25-29.9): Increased risk of cardiovascular disease and diabetes. Lifestyle changes may be beneficial.

Obese (30+): Significantly higher health risks. Medical consultation recommended for weight management strategies.

BMI LIMITATIONS & CONSIDERATIONS

Athletes & Bodybuilders: BMI doesn't distinguish between muscle and fat. A muscular person may have a high BMI but low body fat.

Age & Gender: BMI thresholds are the same for adults 20+, but health risks may vary by age and gender.

Ethnicity: Some populations (e.g., Asians) may have health risks at lower BMI levels. WHO recommends adjusted thresholds for Asian populations.

Body Composition: BMI doesn't measure body fat percentage, bone density, or muscle mass. Consider additional measurements like waist circumference.

Pregnancy: BMI is not applicable during pregnancy. Consult your healthcare provider for appropriate weight guidelines.

WHEN TO SEE A DOCTOR

This BMI calculator is based on WHO (World Health Organization) classifications. If your BMI is outside the normal range, or if you have concerns about your weight, consult a healthcare professional for personalized advice. BMI is a screening tool, not a diagnostic tool.

Medical Disclaimer: This calculator is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.