Porpoise vs dolphin vs killer whale: size comparison
Porpoises, dolphins, and killer whales are all members of the dolphin family, but they differ significantly in size. Comparing them shows that a killer whale is much larger than both the dolphin and the porpoise.
Biggest vs smallest
4.67× the size
killer whale vs porpoise
- porpoise
- about 4.92 ft (1.5 m) long and 19.7 in (50 cm) tall · 121 lb (55 kg)
- dolphin
- about 8.53 ft (2.6 m) long and 27.6 in (70 cm) tall · 441 lb (200 kg)
- killer whale
- about 23 ft (7 m) long and 9.19 ft (2.8 m) tall · 4.41 US tons (4 tonnes)
Typical adult or standard sizes; real ones vary.
Questions people ask
- How long is a porpoise compared to a dolphin?
- A porpoise is about 4.92 ft (1.5 m) long, while a dolphin is about 8.53 ft (2.6 m) long.
- What is the weight difference between a dolphin and a killer whale?
- A dolphin weighs 441 lb (200 kg), whereas a killer whale weighs 4.41 US tons (4 tonnes).
- How tall are these animals?
- A porpoise is 19.7 in (50 cm) tall, a dolphin is 27.6 in (70 cm) tall, and a killer whale is 9.19 ft (2.8 m) tall.