Wine Yield Calculator
Calculate how many bottles of wine you will get from a given weight of grapes.
Includes typical yield ratios for red and white wine production.
Wine yield is the volume of finished wine extracted from a given weight of grapes or must. Understanding yield helps you plan production quantities, purchase the right amount of fruit, and estimate bottle counts before harvest.
The Formula:
Wine yield (liters) = Grape weight (kg) × Yield factor
Typical Yield Factors:
| Wine Type | Liters per kg of grapes |
|---|---|
| Red wine (free-run + press) | 0.65–0.75 |
| White wine (gentle press) | 0.60–0.70 |
| Rosé (saignée method) | 0.55–0.65 |
| Juice only (free-run) | 0.45–0.55 |
Worked Example:
You purchase 100 kg of Cabernet Sauvignon grapes:
Wine yield = 100 kg × 0.70 = 70 liters
70 liters ÷ 0.75 liters per bottle = ~93 standard 750 mL bottles
Factors That Affect Yield:
- Press type: A bladder press extracts more cleanly than a basket press
- Grape condition: Botrytis or shriveled grapes yield less juice
- Destemming: Whole-cluster fermentation retains stems, reducing effective juice volume
- Skin contact time: Longer maceration increases extraction but not volume significantly
- Pressing pressure: Higher pressure extracts more but lower-quality juice
Planning Reference:
| Grape Weight | Approximate Bottles |
|---|---|
| 10 kg | 9–10 bottles |
| 50 kg | 44–50 bottles |
| 100 kg | 88–100 bottles |
| 1,000 kg (1 tonne) | 880–1,000 bottles |
Practical Tips:
- Always account for 5–10% losses to lees, topping, and racking
- Keep a yield log across vintages — your specific press and grapes will show consistent patterns
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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