Free Health Tool

Ideal Body Weight Calculator

Uses the Devine formula — the clinical reference weight formula still used today for medication dosing — to estimate a healthy weight range for your height.

165 cm

Estimated ideal weight

56.9 kg

Typical healthy range: 5163 kg

For general information only.

This calculator provides a general estimate based on standard, published formulas. It does not account for your individual medical history and is not a substitute for professional medical advice, diagnosis, or treatment. Always talk to a qualified doctor about your results — especially before making any health decisions.

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A note on "ideal" weight

The Devine formula was originally created to estimate a dosing-reference weight for medications, not as a personal health target. It doesn't account for muscle mass, frame size, or body composition — an athletic person can be well above this number and be perfectly healthy. Use it as a rough reference point, not a goal to chase.