Is the king penguin bigger than emperor penguin?

The emperor penguin (Aptenodytes fosteri) is the tallest and heaviest of all living penguin species and is endemic to Antarctica. An adult emperor penguin typically stands 122 cm (48 in) tall and weighs between 20 and 40 kg (44 and 88 lb).

The king penguin (Aptenodytes patagonicus) is the second-largest living penguin species and is found in the subantarctic islands. An adult king penguin typically stands 90–95 cm (35–37 in) tall and weighs between 11.5 and 16 kg (25 and 35 lb).

Therefore, the emperor penguin is bigger than the king penguin.