To convert tonnes to hundredweight multiply by 19.68413. I've generated some hopefully helpful examples randomly below, as with most random sentences please excuse the repetitive and occasionally comic outcomes.
How many hundredweight of iron ore252sulphur are there in 17 tonnes? Just multiply by 19.68413 to get the answer of 334.6302 hundredweight.
You have 43 tonnes of timber but you need to know how many hundredweight that is. To get the answer multiply by 19.68413 which gives you 846.4176 hundredweight.
To convert 79 tonnes into hundredweight multiply by 19.68413 giving 1555.046 hundredweight.
You've got 33 tonnes of lead but someone only wants to buy that in units of hundredweight, to change the units multiply by 19.68413. Now you have 649.5763 hundredweight.