To make one gallon of wine, you will need about eight pounds of grapes. This presumes that you are utilizing a standard sized bottle, which is 750mL. One pound of grapes will yield about 750mL of white wine. 8 pounds of grapes will yield you about one gallon of red wine.
Obviously, the actual amount of grapes you'll require may differ depending on the kind of grapes you're utilizing. For example, concord grapes tend to have a higher sugar content than other varieties, so you may need less concord grapes to make a gallon of white wine than you would of other grapes.
click for more The size of the grape also matters. Bigger grapes will yield more juice than smaller sized grapes, so you might require more small grapes to make a gallon of wine than you would of large grapes. The bottom line is that it takes about 8 pounds of grapes to make one gallon of red wine.