Flight Of The Conchords. Fully grown giraffes stand 5 to 6 m (16 20 ft) tall, with males taller than females. The average weight is 1,192 kg (2,628 lb) for an a Flight Of The Conchords Fully grown giraffes stand 5 to 6 m (16 20 ft) tall with males taller than females average weight is 1 192 kg (2 628 lb) for an a