This will give you some insight into big crocodiles that have been recorded.

There is a statue of "Krys" in the L.E.W. Henry Park at Normanton, North Queensland, Australia.

The plaque reads:

"Krys the Savannah King is an accurate artist's impression of the largest recorded saltwater crocodile captured in the world.

Krys was shot on the MacArthur Bank, Norman River, down stream from Normanton in July 1957 by Krystina Pawlowski, one of the many crocodile shooters operating in the area at the time. The crocodile's name "Krys the Savannah King", reflects the feats of this lady.

Krys measured 28ft 4 ni (8.63m) and is the largest authenticated crocodile ever shot. Krystina's husband, Ron, estimated that it would have weighed over 2 tons. Ron took several photographs so that some comparison of the crocodile's real size would be made. These photographs were lost in the 1974 floods.

This replica at the L.E.W. Henry Park has been built to the dimensions listed in the Guiness Book of Records and was officially opened by Krystina Pawlowski on Saturday, 12th October,1996."

I have a picture of myself and my wife leaning up against the replica of Krys and his back comes up to my armpit and I'm 5'11".