BMI Calculator

Calculate your body mass index and see which WHO category it falls in.

Result

22.9
BMI
Normal
Category

Formula

Metric: BMI = kg / m². Imperial: BMI = lb / in² × 703.

Worked example

70 kg at 1.75 m → 70 / (1.75²) ≈ 22.86 → Normal.

About the bmi calculator

Body Mass Index is a quick screening measure used by clinicians to flag potential weight issues. It's a rough tool — athletes and very muscular people may score high without health risk.

Frequently asked questions

What BMI is healthy?+

The WHO considers 18.5–24.9 the normal range.

Is BMI accurate for everyone?+

No — it doesn't distinguish muscle from fat and is less useful for athletes or the elderly.

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