Fun Facts

• One Grape cluster  = One glass of wine

• 75 grapes = One cluster

• 4 cluster = One bottle

• 40 cluster = One vine

• One vine = 10 bottles

• 1200 clusters = One barrel

• One barrel = 60 gallons

• 60 gallons = 25 cases

• 30 vines = One barrel

• 400 vines = One acre

• One acre = Five tons

• Five tons = 332 cases

• One barrel of wine equals 20 cases, which equals 1200 glasses. 
   
• A ton of grapes makes about 720 bottles of wine, or 60 cases.
   
• One vine annually produces between four and six bottles of wine, or between 20 and 30 glasses.
   
• Each bottle of wine contains about 2.8 pounds of grapes. That means each five-ounce glass of wine contains a little over half a pound of grapes.
   
• There are between 35 to 60 clusters of grapes per vine.
   
• One acre of land is home to between 450 and 600 vines.
   
• If California were nation it would be the fourth leading wine producing country in the world -- after France, Italy, and Spain in that order.
   
• There are approximately 850 wineries in California. Roughly half of these sell less than 5,000 cases per year.

* Facts are based on estimates.  Exact figures may vary based on yields, planting widths, age of vines and wine grape variety among other factors.