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BMI: 80cm, 31kg
BMI for 80cm tall and 31kg: 48.4 (Obese). Free BMI calculator with health categories.
48.4 (Obese)
BMI = 31 / (80/100)^2 = 48.4. 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 |
|---|---|
| 80 / 26 | 40.6 (Obese) |
| 80 / 29 | 45.3 (Obese) |
| 80 / 30 | 46.9 (Obese) |
| 80 / 32 | 50.0 (Obese) |
| 80 / 33 | 51.6 (Obese) |
| 80 / 36 | 56.2 (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.