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BMI: 45cm, 9kg
BMI for 45cm tall and 9kg: 44.4 (Obese). Free BMI calculator with health categories.
44.4 (Obese)
BMI = 9 / (45/100)^2 = 44.4. Category: Obese.
How This Was Calculated
Metric: BMI = weight(kg) / height(m)²
Imperial: BMI = 703 × weight(lbs) / height(in)²
Categories: Underweight <18.5 | Normal 18.5-24.9 | Overweight 25-29.9 | Obese ≥30.
Quick Reference Table
| Input | Result |
|---|---|
| 45 / 4 | 19.8 (Normal) |
| 45 / 7 | 34.6 (Obese) |
| 45 / 8 | 39.5 (Obese) |
| 45 / 10 | 49.4 (Obese) |
| 45 / 11 | 54.3 (Obese) |
| 45 / 14 | 69.1 (Obese) |
Frequently Asked Questions
What is a healthy BMI?
A BMI between 18.5 and 24.9 is considered normal.
Does BMI account for muscle mass?
No, BMI is a general screening tool and does not distinguish muscle from fat.
Should I use metric or imperial?
Both give the same result. Use whichever you are comfortable with.