A shipload is not a defined unit of measure, it'd depend on the size of the ship.
The shipload of Italian sailors rescued the bones of Saint Nicholas in the year 1087.
3 TONS
There are 5.6 tons in 5.6 tons.
There are 5.5 tons in 5.5 tons.
12,500 tons
11639 tons = 11639 tons.
19,500,000 tons = 17,690,102.4 metric tons.
There are 1,000 tons in a kiloton.
27.56 US tons.
501.66 US tons is 455.1 metric tons.
5 metric tons is 5.51 tons.
50 tons