25 litres of milk bottles go into 5 bottles - It depends on the bottle size If a liter bottle (container as sold in food retailers) then 25 if a 2 liter then 12.5 bottles if a 4 liter 6.1 6 liter 4.1

NO! Powdered milk is like the concentrate version of milk. You need to mix the powdered milk according to the directions on the box/can/etc and then use .25 cups of that. Or just use milk :)