For this case the main unit is liter.
The first thing you should know is that the liter is a unit of volume.
The difference then between hectoliter and kiloliter is the conversion factor.
For hectoliter we have:
1 hectoliter = 100 liters
For kiloliter we have:
1 kiloliter = 1000 liters
Answer:
The difference between both is the conversion factor:
1 hectoliter = 100 liters
1 kiloliter = 1000 liters
