How do you convert 700 ml case to a 9 liter?

To convert 700 ml to liters, divide 700 by 1000, which equals 0.7 liters. To find out how many 700 ml cases make up 9 liters, divide 9 liters by 0.7 liters per case. This results in approximately 12.86 cases. Therefore, you would need about 13 cases of 700 ml to equal 9 liters.