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Calcimator

Vineyard Yield Estimator

Estimate vineyard yield in tons per acre from clusters per vine, average cluster weight, and vine density for harvest planning and quality management.

Inputs

oz

Results

Yield (tons/acre)

4.08 tons

≈ 8 grand pianos

Estimated Quality Tier

Premium

Yield (lbs/acre)8,168 lbs
Yield per Vine7.5 lbs
Yield per Vine (metric)3.4 kg
Yield (tonnes/hectare)9.15 t/ha
How to Use This Calculator
  1. Enter Clusters per Vine, Average Cluster Weight, and Vines per Acre.
  2. Review Yield (tons/acre) and Estimated Quality Tier.
  3. Use Yield (lbs/acre) and Yield per Vine (lbs) to inform your decision.
  4. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Clusters per Vine

Clusters per VineYield (tons/acre)Estimated Quality Tier
152.04 tonsSuper-Premium
385.17 tonsCommercial
679.12 tonsBulk / Table Wine
9112.39 tonsBulk / Table Wine

What each input means

Clusters per Vine
Average number of fruit clusters per vine after thinning. Premium wines often target 20-35 clusters; high-yield vineyards may keep 50+.
Average Cluster Weight
Average weight of a single grape cluster in ounces. Cabernet averages 3-5 oz; Chardonnay 4-6 oz; table grapes can reach 12+ oz.
Vines per Acre
Total vines planted per acre. Use the Vine Spacing Calculator to determine this from your row and vine spacing.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Clusters per Vine = 30, Average Cluster Weight = 4, Vines per Acre = 1089 = 3 input(s) provided
  2. Calculate Yield
    Yield
    4.08 = 4.08
  3. Calculate Estimated Quality Tier
    Estimated Quality Tier
    Premium = Premium
  4. Calculate Yield
    Yield
    8168 = 8168
  5. Calculate Yield per Vine
    Yield per Vine
    7.5 = 7.5

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