The number of pounds of grapes are needed to make one gallon of red wine?

To make one gallon of white wine, you will need about eight pounds of grapes.  https://ivfsurvivalguide.com/?p=230 Eight pounds of grapes will yield you about one gallon of white wine.

Of course, the actual amount of grapes you'll require may differ depending upon the kind of grapes you're using. Concord grapes tend to have a higher sugar content than other varieties, so you may require less concord grapes to make a gallon of wine than you would of other grapes.

The size of the grape also matters. Bigger grapes will yield more juice than smaller sized grapes, so you may require more small grapes to make a gallon of white wine than you would of large grapes. The bottom line is that it takes about 8 pounds of grapes to make one gallon of white wine.