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BMI: 21cm, 83kg
BMI for 21cm tall and 83kg: 1,882.1 (Obese). Free BMI calculator with health categories.
1,882.1 (Obese)
BMI = 83 / (21/100)^2 = 1,882.1. 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 |
|---|---|
| 21 / 78 | 1,768.7 (Obese) |
| 21 / 81 | 1,836.7 (Obese) |
| 21 / 82 | 1,859.4 (Obese) |
| 21 / 84 | 1,904.8 (Obese) |
| 21 / 85 | 1,927.4 (Obese) |
| 21 / 88 | 1,995.5 (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.