To convert kilogrammes to tons divide by 1000. I've generated some hopefully helpful examples randomly below, as with most random sentences please excuse the repetitive and occasionally comic outcomes.
You have 940 kilogrammes of carrots but you need to know how many tons that is. To get the answer divide by 1000 which gives you 0.94 tons.
You've got 220 kilogrammes of onions but someone only wants to buy that in units of tons, to change the units divide by 1000. Now you have 0.22 tons.
In 550 kilogrammes of oats there are 0.55 tons, to achieve this take 550 and just divide by 1000.
How many tons of wheat are there in 700 kilogrammes? Just divide by 1000 to get the answer of 0.7 tons.
To convert 270 kilogrammes into tons divide by 1000 giving 0.27 tons.