To convert tons to kilos multiply by 1000. I've generated some hopefully helpful examples randomly below, as with most random sentences please excuse the repetitive and occasionally comic outcomes.

How many kilos of lead are there in 21 tons? Just multiply by 1000 to get the answer of 21000 kilos.

In 54 tons of timber there are 54000 kilos, to achieve this take 54 and just multiply by 1000.

To convert 80 tons into kilos multiply by 1000 giving 80000 kilos.