There are 1,000 kilograms (kg) in a metric ton, or more properly; tonne Although "ton" is the correct usage in the USA, In the UK It is tonne.
1,000 kilograms = 1 metric ton
1,000
A tonne (pronounced 'metric ton') has dimensions of mass. A cubit is a unit of length, so a cubit metric tonne has dimensions mass x length. The two are incomparable.