Calculate Body Mass Index from height and weight, with WHO category context.
Calculate Body Mass Index from height and weight, with WHO category context.
Enter values above and click Calculate — results will appear here with the formula explained.
Body Mass Index divides weight by squared height to place people on a single comparable scale. The World Health Organization bands it as under 18.5 (underweight), 18.5–24.9 (healthy), 25–29.9 (overweight) and 30+ (obesity).
Its strengths are simplicity and population-level usefulness; its limits are equally real. BMI ignores body composition entirely — muscular athletes routinely score 'overweight' — and research suggests health risk patterns differ across ethnic groups at the same BMI. Treat it as one signal among many, not a diagnosis.
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What is a healthy BMI? WHO guidance places 18.5–24.9 in the healthy range for most adults, but individual factors matter — discuss personal results with a healthcare profess...
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Body Mass Index divides weight by squared height to place people on a single comparable scale. The World Health Organization bands it as under 18.5 (underweight), 18.5–24.9 (healthy), 25–29.9 (overweight) and 30+ (obesity).
Its strengths are simplicity and population-level usefulness; its limits are equally real. BMI ignores body composition entirely — muscular athletes routinely score 'overweight' — and research suggests health risk patterns differ across ethnic groups at the same BMI. Treat it as one signal among many, not a diagnosis.
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70 kg at 175 cm: 70 ÷ (1.75 × 1.75) = 22.9 — comfortably inside the healthy band, which for this height spans roughly 56.7–76.3 kg.
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| Feature | Dream Mining | CDC BMI | NHS BMI | Calculator.net |
|---|---|---|---|---|
| Free, no signup | ||||
| Metric & Imperial units | ||||
| WHO & CDC categories | ||||
| Healthy weight range for your height | ||||
| BMI Prime index | ||||
| Interactive BMI category chart | ||||
| BMR & TDEE integration | ||||
| Formula & worked example | ||||
| Disclaimer for medical advice | ||||
| FAQ + Speakable schema |
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