BMI for 147 cm and 40 kg

A person 147 cm (4'10") tall weighing 40 kg (88 lbs) has a BMI of 18.5 — classified as Normal. The healthy weight range for this height is 40.053.8 kg.

Your BMI
18.5
Category
Normal
Under 18.518.5–24.925–29.930+
Healthy weight range: 40.053.8 kg

Your BMI score

Quick health screening — not a diagnosis

Normal
BMI gauge
BMI
18.5
Normal

Your BMI falls within the healthy range for most adults.

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: 18.5
121618.525303540+
  1. Severe thinness< 16
  2. Underweight16 – 18.5
  3. Normal18.5 – 24.9
    You
  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?

Lower end of healthy range · BMI 18.5 · Normal

A BMI of 18.5 sits at the lower end of the standard healthy range (18.5–24.9). At 147 cm, 40 kg is comfortably inside the band where most adults have the lowest BMI-related health risk.

This band is what large population studies tend to treat as the reference range. For most adults, it's the lowest-risk zone, though athletes and very lean individuals are common exceptions.

BMI is a screening tool, not a diagnosis. It doesn't know the difference between fat and muscle, doesn't measure where weight sits on the body, and doesn't account for age, sex, or ethnicity-specific cutoffs.

For someone 147 cm tall, weights between 40.0 kg and 53.8 kg fall in the BMI 18.5–24.9 healthy range — roughly 88119 lbs.

How far from the healthy range?

40 kg sits inside the standard healthy weight range (40.053.8 kg) for 147 cm. There's about 13.8 kg of headroom before the BMI 25 line and 0.0 kg of buffer above the BMI 18.5 line.

Target BMI milestones

Weights that would land at common BMI thresholds for 147 cm.

MilestoneTarget weightvs current
BMI 22 (mid-healthy)47.5 kg(105 lbs)Gain ~7.5 kg
BMI 25 (upper healthy bound)54.0 kg(119 lbs)Gain ~14.0 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