BMI for 120 lbs and 5'5"
Instant answer: 120 lbs (54.4 kg) at 5'5" (165.1 cm) gives a BMI of 20.0 — normal weight.
Someone 165.1 cm tall has a healthy weight window of 50.4–67.9 kg, derived from the standard adult BMI range.
What does a BMI of 20.0 mean?
Multi-decade studies (notably the NIH-AARP cohort of more than 500,000 adults) link this BMI band to the lowest all-cause mortality.
Healthy weight range for 5'5"
The BMI-based healthy weight range for 5'5" is 111–150 lbs (50.4–67.9 kg).
| Weight (lbs) | Weight (kg) | BMI | Category |
|---|---|---|---|
| 100 lbs | 45.4 kg | 16.7 | Underweight |
| 110 lbs | 49.9 kg | 18.3 | Underweight |
| 120 lbs (this page) | 54.4 kg | 20.0 | Normal weight |
| 130 lbs | 59 kg | 21.6 | Normal weight |
| 140 lbs | 63.5 kg | 23.3 | Normal weight |
Practical next steps
- Keep a stable routine of movement, sleep (7–9 h), and balanced meals.
- Add resistance training to slow age-related muscle loss.
- Watch the trend, not the daily fluctuation — month-over-month is what matters.
- Check blood pressure and cholesterol annually.
Frequently asked questions
What is the BMI for 120 lbs and 5'5"?
A person who weighs 120 lbs (54.4 kg) and is 5'5" tall has a BMI of 20.0, classified as normal weight by the WHO.
Is 120 lbs a healthy weight at 5'5"?
The healthy weight range for 5'5" is 111–150 lbs (50.4–67.9 kg). 120 lbs gives a BMI of 20.0.
What BMI category is this?
Normal weight. Multi-decade studies (notably the NIH-AARP cohort of more than 500,000 adults) link this BMI band to the lowest all-cause mortality.