BMI for 161 cm and 51 kg
BMI 19.7
Asia-Pacific cut-offs (23 · 25) · normal
WHO international cut-offs (25 · 30) · normal
Reference weight and healthy range
At BMI 22 the reference weight is 57 kg.
The healthy range (BMI 18.5–22.9) is 48–59.4 kg.
This weight falls inside that range.
Other pairs that also give BMI 19.7
Nearby heights and weights
BMI cannot tell muscle from fat, so it reads high for people who train heavily. It is a reference figure, not a diagnosis.