To convert tons to kgs 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.
To convert 45 tons into kgs multiply by 1000 giving 45000 kgs.
How many kgs of lead are there in 96 tons? Just multiply by 1000 to get the answer of 96000 kgs.
In 32 tons of iron ore252sulphur there are 32000 kgs, to achieve this take 32 and just multiply by 1000.