BMI for 45 kg and 152 cm
Instant answer: A person who weighs 45 kg (99 lbs) and is 152 cm (4'12") tall has a BMI of 19.5, classified as normal weight.
For an adult who is 152 cm tall, the World Health Organization considers a weight between 42.7 and 57.5 kg to be healthy.
What does a BMI of 19.5 mean?
Within this range, body composition matters more than the exact number — muscle mass and waist circumference become the better health signals.
BMI is a screening tool, not a diagnosis. Two people at 45 kg and 152 cm can have very different body compositions and very different health profiles. Use BMI alongside waist circumference, fitness level, and routine bloodwork.
Healthy weight range for 152 cm
The BMI-based healthy weight range for 152 cm tall adults is 42.7–57.5 kg (94–127 lbs).
| Weight | In lbs | BMI | Category |
|---|---|---|---|
| 35 kg | 77 lbs | 15.1 | Underweight |
| 40 kg | 88 lbs | 17.3 | Underweight |
| 45 kg (this page) | 99 lbs | 19.5 | Normal weight |
| 50 kg | 110 lbs | 21.6 | Normal weight |
| 55 kg | 121 lbs | 23.8 | Normal weight |
| 60 kg | 132 lbs | 26.0 | Overweight |
Practical next steps
- Maintain at least 150 minutes of moderate aerobic activity per week.
- Include two strength sessions to preserve lean mass with age.
- Monitor waist circumference yearly — under 94 cm (men) / 80 cm (women).
- Get a routine metabolic panel every 1–2 years.
Frequently asked questions
What is the BMI for 45 kg and 152 cm?
Using the formula BMI = weight (kg) ÷ height (m)², a person who weighs 45 kg and is 152 cm tall has a BMI of 19.5. This places them in the normal weight category as defined by the World Health Organization.
Is 45 kg a healthy weight at 152 cm?
The healthy weight range for 152 cm is 42.7–57.5 kg, corresponding to a BMI of 18.5–24.9. 45 kg gives a BMI of 19.5, which is normal weight.
How was this BMI calculated?
BMI = 45 ÷ (1.52 × 1.52) = 45 ÷ 2.3104 = 19.5.
What should I do if my BMI is 19.5?
Maintain at least 150 minutes of moderate aerobic activity per week. Include two strength sessions to preserve lean mass with age.