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BMI: 121cm, 30kg
BMI for 121cm tall and 30kg: 20.5 (Normal). Free BMI calculator with health categories.
20.5 (Normal)
BMI = 30 / (121/100)^2 = 20.5. Category: Normal.
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 |
|---|---|
| 121 / 25 | 17.1 (Underweight) |
| 121 / 28 | 19.1 (Normal) |
| 121 / 29 | 19.8 (Normal) |
| 121 / 31 | 21.2 (Normal) |
| 121 / 32 | 21.9 (Normal) |
| 121 / 35 | 23.9 (Normal) |
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.