There are 32000 ounces per short ton US and 35840 ounces per long ton UK; as it was not mentioned witch tonnage so there is both.
21 tons is 672,000 ounces.
1.5 US tons is 48,000 ounces.
(0.6 ton) x (2,000 pounds / ton) x (16 ounces / pound) = 19,200 ounces
There are 32000 ounces in one ton. Therefore, 32000 ounces is equal to 32000/32000 = 1 ton.
31.25 short tons (2000lbs) most common in America 27.90179 long tons (2240lb) 28.34981 metric tons (1000kg)
10 Megaton [Mt] = 352739619495.8 Ounce [oz]
3 tons = 96,000 ounces
9.67 tons = 309,440 ounces.
518,400 ounces is 16.2 tons.
42,000 ounces is 1.31 tons.
34,500 short tons is equal to 1,104,000,000 ounces. 34,500 long tons is equal to 1,236,480,000 ounces.
There are 448,000 ounces in 28 tons.
1.5 tons is 48,000 ounces.
6400 ounces = 0.2 short tons
3,300,000,000 ounces is 103,130 tons.
21 tons is 672,000 ounces.
20 Megaton [Mt] = 705479238991.61 Ounce [oz]