At birth, baby giraffes are about 6 feet tall, and weight between 100-150 pounds. An adult giraffe could be around 18 ft, and weigh around 3000 pounds. I suspect they use a different method for weighing adult giraffes. But here is a job worth building your muscles for. I would totally be inspired to spend more hours at the gym, if I get to hug such a cute and peaceful baby giraffe at the end of the day.Weighing a giraffe