401.786 tonnes.
450
900,000 metric tons = 992,080.18 US tons.
There are 135 tons in 270,000 pounds. To convert pounds to tons, divide the weight in pounds by 2,000 (since there are 2,000 pounds in a ton).
There are 6.9 tons in 13,800 pounds. To convert pounds to tons, you divide the weight in pounds by 2,000 (since 1 ton is equal to 2,000 pounds).
There are 20 tons in 40,000 pounds. To convert pounds to tons, divide the weight in pounds by 2,000 (since 1 ton is equal to 2,000 pounds).
There are 15 tons in 30,000 pounds. To convert pounds to tons, you divide the weight in pounds by 2,000, since 1 ton is equal to 2,000 pounds.
26,652,000 pounds (13,326 tons x 2,000 pounds in each ton)
There are 17.5 tons in 35,000 pounds. To convert pounds to tons, you divide the weight in pounds by 2,000 (since 1 ton is equal to 2,000 pounds).
500 tons
There are 1.7 tons in 3400 lbs. To convert pounds to tons, you divide the weight in pounds by 2000 (since there are 2000 lbs in a ton).
Multiply tons by 2,000 to get the same weight in pounds. 3 tons = 6,000 pounds.
1 ton is 2,000 pounds, so 4 tons is 4 x 2,000 pounds = 8,000 pounds