BMI for 192 cm and 55 kg

A person 192 cm (6'4") tall weighing 55 kg (121 lbs) has a BMI of 14.9 — classified as Underweight. The healthy weight range for this height is 68.291.8 kg.

Your BMI
14.9
Category
Underweight
Under 18.518.5–24.925–29.930+
Healthy weight range: 68.291.8 kg

Your BMI score

Quick health screening — not a diagnosis

Severe thinness
BMI gauge
BMI
14.9
Severe thinness

Your BMI is well below the healthy range and may indicate serious health risk.

What this means

BMI is a quick screening number based only on height and weight. It doesn't distinguish muscle from fat, and shouldn't replace a clinical assessment.

  • 18.5–24.9 generally lowest health risk
  • 25–29.9 elevated metabolic risk
  • 30+ higher long-term risk

BMI range

WHO adult classification

Your BMI: 14.9
121618.525303540+
  1. Severe thinness< 16
    You
  2. Underweight16 – 18.5
  3. Normal18.5 – 24.9
  4. Overweight25 – 29.9
  5. Obese I30 – 34.9
  6. Obese II35 – 39.9
  7. Obese III≥ 40
Lower riskModerateHigher risk

What does this BMI mean?

Severely underweight · BMI 14.9 · Underweight

A BMI of 14.9 falls well below the standard healthy range and is usually flagged as severely underweight. At 192 cm, body weight under 68.2 kg is generally considered too low for adults.

Being underweight isn't automatically a problem, but it can come with lower iron, B12, or calorie reserves. Worth investigating if weight has dropped without trying.

Treat this as a starting point, not a verdict. BMI ignores muscle mass, body shape, and individual context — it's a quick number for a population, not a personal health score.

For someone 192 cm tall, weights between 68.2 kg and 91.8 kg fall in the BMI 18.5–24.9 healthy range — roughly 150202 lbs.

How far from the healthy range?

Lower healthy bound
68.2 kg
150 lbs · BMI 18.5
Deficit
13.2 kg
29 lbs from the nearest bound
% below floor
19.4%
Relative to the BMI 18.5 cutoff

Target BMI milestones

Weights that would land at common BMI thresholds for 192 cm.

MilestoneTarget weightvs current
BMI 18.5 (lower healthy bound)68.2 kg(150 lbs)Gain ~13.2 kg
BMI 20 (low-healthy)73.7 kg(163 lbs)Gain ~18.7 kg
BMI 22 (mid-healthy)81.1 kg(179 lbs)Gain ~26.1 kg

Why BMI isn't the whole story

  • Muscle vs fat: BMI treats a kilogram of muscle the same as a kilogram of fat. Strength athletes and very muscular builds can land in the overweight band while having low body fat.
  • Body shape matters: Two people at the same BMI can carry weight very differently. Waist circumference and waist-to-height ratio capture risk that BMI misses.
  • Age, sex, ethnicity: The 18.5–24.9 window is a single global average. Cutoffs adjusted for ethnicity and age can shift the interpretation, especially at the edges of the band.
  • Still useful: BMI remains widely used because it's cheap, fast, and roughly predictive at population scale. Treat it as a self-check signal, not a diagnosis.

Nearby BMI combinations

Related

Common questions

Last updated: 2026