Unit Name megatonne 1 unit = x megatonne
carat [international] 5000000000000 0
carat [metric] 5000000000000 0
gram 1000000000000 0
metric ton 1000000 0.000001
ounce 35335689045.9364 0
pound 2204585537.91887 0
ton [metric] 1000000 0.000001