What is a healthy BMI for adults?

WHO: under 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obese.

Is my weight data stored?

No. Height and weight are processed locally in your browser.

Metric (cm and kg).

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Private by design: This tool runs in your browser — your data is not uploaded.

Height (cm)

Weight (kg)

For information only — not medical advice. Talk to a clinician about your health.

A person 170 cm tall weighing 70 kg has a BMI of about 24.2 — in the normal range on standard adult BMI charts.

What is a healthy BMI for adults?: WHO: under 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obese.
Is my weight data stored?: No. Height and weight are processed locally in your browser.

Last updated: 2026-05-31