Girls at 7 pounds 1 ounce32 kg are a bit smaller than boys at 7 pounds 4 ounces33 kg on arrival. Age in months 3rd percentile weight in kilograms 5th percentile weight in kilograms 10th percentile weight in kilograms 25th percentile weight in kilograms 50th percentile weight in kilograms 75th percentile weight in kilograms. In the united states the average baby weighs about 7 pounds 3 ounces 33 kg at birth. Although it can vary babies tend to gain around 47 oz per week in the first 46 months. In most cases girls height measurements for this age group 4 month old baby will lie within the range between 5776 and 6565 cms. If youre concerned that your child isnt eating well or isnt gaining enough weight talk to your pediatrician.
Weight gain then slows slightly with an average gain of around 35 oz per week when the baby is. The average newborn is 19 12 inches 495 cm long with girls measuring 19 inches 49 cm and boys measuring 19 34 inches 50 cm. Males birth 36 months. 621cms 244 inches. In most cases boys weight measurements for this age group 4 month old baby will lie within the range between 556 and 841 kgs. By month four your babys weight will likely have doubled from birth.
The average weight measurement for this age group boys is 7 kgs according to the cdc. The average height measurement for this age group girls is 6209 cms according to the cdc.