AP PSYCHOLOGY

Detailed explanation-1: -Average Baby Weight at One Year By one year, the average weight of a baby girl is approximately 19 pounds 10 ounces (8.9 kg), with boys weighing about 21 pounds 3 ounces (9.6 kg).

Detailed explanation-2: -Your 2-year-old child’s growth Most 2-year-old girls weigh 19½ to 32½ pounds and measure 31½ to 36½ inches tall. Boys typically weigh 21 to 33½ pounds and measure 32 to 37 inches tall.

Detailed explanation-3: -An infant will usually triple her birth weight by the time she turns 1. The average 1-year-old boy weighs between 19 and 27 pounds. The average 1-year-old girl weighs between 17 1/2 and 25 pounds.