A pygmy is 4.59 ft (1.4 m) tall, while an average person stands 5.58 ft (1.7 m) and a person with gigantism reaches 8.04 ft (2.45 m). You can visualize the scale difference by noting that a person with gigantism is about 1.75 times the size of pygmy.

How much space each takes up
Person with gigantism is about 1.75 times the size of pygmy.
Typical adult or standard sizes; real ones vary.