A penguin can grow two feet.
If you mean 'How tall can a penguin grow in feet?' then the answer would depend on the species.
Penguins vary in height depending on the species. The smallest species, the Little Blue Penguin, stands about 1.5 feet tall, while the largest, the Emperor Penguin, can grow to about 4 feet tall. Most penguin species fall within this range, typically between 1.5 and 3 feet in height.
Emperor penguins can grow to be over two feet tall.
They grow up to having 4 feet.
Penguin feet
There is no way you can "grow big" in Club Penguin
this penguin hops on both feet
4 to 5 feet
The largest species of penguin is the Emperor Penguin (Aptenodytes forsteri). They can grow up to about 4 feet tall and weigh up to 90 pounds. These penguins are found in Antarctica and are known for their distinctive coloration and large size.
In clubpenguin your penguin cant grow you can buy membership to get more things but that's all
3 feet
penguin
A African Black Mamba Can Grow To Be 14 Feet Long.