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BMI: 9cm, 171kg
BMI for 9cm tall and 171kg: 21,111.1 (Obese). Free BMI calculator with health categories.
21,111.1 (Obese)
BMI = 171 / (9/100)^2 = 21,111.1. 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 |
|---|---|
| 9 / 166 | 20,493.8 (Obese) |
| 9 / 169 | 20,864.2 (Obese) |
| 9 / 170 | 20,987.7 (Obese) |
| 9 / 172 | 21,234.6 (Obese) |
| 9 / 173 | 21,358.0 (Obese) |
| 9 / 176 | 21,728.4 (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.