BMI Calculator

Enter your height and weight to get your Body Mass Index, category, and the healthy weight range for your height. Works in metric (cm/kg) and imperial (ft/lbs).

Your BMI
24.2
Category
Normal
Under 18.518.5–24.925–29.930+
Healthy weight range: 53.572.0 kg

Your BMI score

Quick health screening — not a diagnosis

Normal
BMI gauge
BMI
24.2
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: 24.2
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

The BMI formula

BMI = weight (kg) ÷ height (m)2

Example: a person who is 1.75 m and weighs 70 kg has a BMI of 70 ÷ (1.75 × 1.75) ≈ 22.9 — Normal.

Underweight
Below 18.5
Normal
18.5 – 24.9
Overweight
25 – 29.9
Obese
30 and above

Popular BMI examples

Browse over 1,363 pre-calculated combinations.

Related

Common questions

Last updated: 2026