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.

