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BMI: 160cm, 21kg
BMI for 160cm tall and 21kg: 8.2 (Underweight). Free BMI calculator with health categories.
8.2 (Underweight)
BMI = 21 / (160/100)^2 = 8.2. Category: Underweight.
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 |
|---|---|
| 160 / 16 | 6.2 (Underweight) |
| 160 / 19 | 7.4 (Underweight) |
| 160 / 20 | 7.8 (Underweight) |
| 160 / 22 | 8.6 (Underweight) |
| 160 / 23 | 9.0 (Underweight) |
| 160 / 26 | 10.2 (Underweight) |
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.