The average weight of a 3 month old varies between boys and girls, but only slightly. The difference works out to male babies weighing on average about 1 pound more than female babies at the 90 days of life mark. The conversion rate between pounds and kilograms is that 1 kilogram is equal to 2.2 pounds.
If you're interested in the average length of a baby that's 3 months old you can also see that information below. The numbers work out to the avg. baby boy being about 24 inches in length at the age of 3 months and baby girls that are 3 months in age are only slightly shorter at a length of about 23.2 inches.
If you have any concerns about your 3 month old baby being an abnormal size please see a doctor. In addition to the average dimensions there is a wide range of healthy sizes that culminate into the average found on a bell curve. The charts or graphs below show the average weight of 3 month old baby boy and 3 month old baby girls.
Average Weight of a 3 Month Old Baby:
If you're interested in the average length of a baby that's 3 months old you can also see that information below. The numbers work out to the avg. baby boy being about 24 inches in length at the age of 3 months and baby girls that are 3 months in age are only slightly shorter at a length of about 23.2 inches.
If you have any concerns about your 3 month old baby being an abnormal size please see a doctor. In addition to the average dimensions there is a wide range of healthy sizes that culminate into the average found on a bell curve. The charts or graphs below show the average weight of 3 month old baby boy and 3 month old baby girls.
Average Weight of a 3 Month Old Baby:
- Average weight of 3 month old baby boy is about 13.1 pounds or 6 kgs
- Average weight of 3 month old baby girl is about 12 pounds or around 5.5 kgs
Average Length of a 3 Month Old Baby:
- Average length for a 3 month old baby boy is about 24 inches or 61 centimeters.
- Average length for a 3 month old baby girl is 23.2 inches or 59 centimeters.
After getting to know the average height and weight of a 3 month old there's a pretty decent chance that seeing sizes for babies slightly older and slightly younger could be something that interests you:
You can click on the charts below to enlarge them:
Height Weight Chart for Baby Girls
Height Weight Chart for Baby Boys
