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BMI: 68cm, 21kg
BMI for 68cm tall and 21kg: 45.4 (Obese). Free BMI calculator with health categories.
45.4 (Obese)
BMI = 21 / (68/100)^2 = 45.4. 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 |
|---|---|
| 68 / 16 | 34.6 (Obese) |
| 68 / 19 | 41.1 (Obese) |
| 68 / 20 | 43.3 (Obese) |
| 68 / 22 | 47.6 (Obese) |
| 68 / 23 | 49.7 (Obese) |
| 68 / 26 | 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.