What is the biggest battleship ever built?

Question

I say its the Bismarck and my friend here says its the Iowa. What say you?

Answer 1

The Japanese battleship Yamato.

Answer 2

bismark totally

Answer 3

Neither, it was the Japanese Yamato and Musashi, at 80,000 tons compared to the Bismarcks 45,000 tons and the Iowas 50,000 tons.