- Babies within 6 months: weight (kg) = birth weight (kg) + age × 0.6; Babies aged 7 ~ 23 months: weight (kg) = birth weight (kg) + age × 0.5; Babies aged 2 ~ 7: weight (kg) = age × 2 +8.
Generally, it is within the range of standard weight ± standard weight × 10%.
- Exceeding [standard weight + standard weight × 20%] is mild obesity; Exceeding [standard weight + standard weight × 50%] is severe obesity. Below [standard weight-standard weight × 15%] is mild emaciation; Below [standard weight-standard weight × 25%] is severe emaciation.