A 0 face value bag weighs 44 pounds. In addition, contains 4000 nickels. And one roll of nickels is containing 40 nickels and there are 20 nickels in a dollar. 2000 lbs / 44 lbs = 45.4545 bags. Meanwhile, in dealing with sealed bags, is rounded down to 45 bags = 1980 pounds. 45 bags = ,000 = 180,000 nickels in a ton.