18.1 metric tons (tonnes).
47,900 pounds is 21.73 metric tons.
42 metric tons is 92,594 pounds.
200 metric tons is 440,920 pounds.
200 000 pounds = 90.718474 metric tons
There are 2000 pounds in one ton so there are 8000 pounds in four tons.
8.58 US tons or 7.78 metric tons.
7 tons
1.4 tons
21.48 tons