BMI of 16 — What does it mean?

Instant answer: A BMI of 16 is classified as underweight.

Persistent underweight can indicate inadequate caloric intake, malabsorption, hyperthyroidism, or undertreated chronic illness — a clinical evaluation is sensible.

Weight examples that give a BMI of 16

HeightWeight (kg)Weight (lbs)
160 cm (5'3")4190
165 cm (5'5")43.696
170 cm (5'7")46.2102
175 cm (5'9")49108
180 cm (5'11")51.8114
185 cm (6'1")54.8121

Practical next steps

  1. Protein intake of roughly 1.2–1.6 g per kg of body weight is the figure most dietetic guidance cites for building lean mass.
  2. Calorie-dense foods such as nuts, olive oil and avocado are the standard suggestion for increasing intake without large portions.
  3. Twice-weekly strength work is the general activity recommendation for adults regardless of weight.
  4. Weight loss that was not intended is worth raising with a clinician.

Frequently asked questions

What does a BMI of 16 mean?

A BMI of 16 falls into the underweight category as defined by the World Health Organization. Persistent underweight can indicate inadequate caloric intake, malabsorption, hyperthyroidism, or undertreated chronic illness — a clinical evaluation is sensible.

Is a BMI of 16 healthy?

This BMI is outside the WHO healthy range of 18.5–24.9 and falls into the underweight category.

What weight gives a BMI of 16 at 170 cm?

At 170 cm, a BMI of 16 corresponds to roughly 46.2 kg.

Sources & references