← BMI Calculator with Healthy Weight Range
BMI for 55 kg at 155 cm
BMI 22.9: Healthy weight
At 155 cm and 55 kg, BMI is 22.9 (healthy weight). Healthy range: 44.4–59.8 kg. Not medical advice.
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The BMI formula
BMI = weight (kg) ÷ height (m)²
- Convert height to meters: 175 cm = 1.75 m.
- Square it: 1.75 × 1.75 = 3.06.
- Divide weight by that number: 70 ÷ 3.06 = 22.9.
Quick reference
| BMI | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5 – 24.9 | Healthy weight |
| 25 – 29.9 | Overweight |
| 30 and above | Obese |
Frequently asked questions
What is a healthy weight at 155 cm?
About 44.4–59.8 kg (BMI 18.5–24.9). Not medical advice.
Is BMI accurate for everyone?
No. It does not account for muscle, age or body shape. It is a rough screen, not medical advice.