BMI for 166 cm and 140 kg
A person 166 cm (5'5") tall weighing 140 kg (309 lbs) has a BMI of 50.8 — classified as Obese. The healthy weight range for this height is 51.0–68.6 kg.
Your BMI
50.8
Category
Obese
Under 18.518.5–24.925–29.930+
Healthy weight range: 51.0–68.6 kg
What does this BMI mean?
A BMI of 50.8 sits in the Obese range under the standard WHO adult classification. This range is linked to increased risk of several chronic conditions. A clinician can help interpret it with other measures.
For someone 166 cm tall, weights between 51.0 kg and 68.6 kg fall in the BMI 18.5–24.9 normal range. That's roughly 112–151 lbs.
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Last updated: 2026