How much does dolphins wiegh?

Answer 1

Dolphins are marine mammals that are closely related to whales and porpoises. There are almost forty species of dolphin in seventeen genera. They vary in size from 1.2 metres (4 ft) and 40 kilograms (88 lb) (Maui's Dolphin), up to 9.5 m (30 ft) and ten tonnes (the Orca or Killer Whale). http://en.wikipedia.org/wiki/Dolphin
A lot.

Answer 2

dolphins weight varies from speicies to speicies.for the smallest dolphin the weight can be 30 Kg,and the largest dolphin speicies like the Orca can weigh up to 5 tons.

Bottlenose dolphins can weigh up to 200 Kg.

Answer 3

With bottlenose dolphins it is about 150 to 250 kg for females, and up to 500 kg for males.

Though with other dolphin species the average weight lies around 160 kg.