BMI for 168 cm and 40 kg
A person 168 cm (5'6") tall weighing 40 kg (88 lbs) has a BMI of 14.2 — classified as Underweight. The healthy weight range for this height is 52.2–70.3 kg.
Your BMI
14.2
Category
Underweight
Under 18.518.5–24.925–29.930+
Healthy weight range: 52.2–70.3 kg
What does this BMI mean?
A BMI of 14.2 sits in the Underweight range under the standard WHO adult classification. This range is associated with nutritional gaps for some people. If unintentional, a check-up and dietary review are sensible.
For someone 168 cm tall, weights between 52.2 kg and 70.3 kg fall in the BMI 18.5–24.9 normal range. That's roughly 115–155 lbs.
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Last updated: 2026