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Garden Harvest Estimate Calculator

Work out garden harvest estimate instantly with clear inputs, formula shown and shareable results.

About Garden Harvest Estimate Calculator

Expected harvest is plants times yield per healthy plant times the share that crop well, then expressed per square metre of bed. Yield per square metre is the number that lets you compare crops, since a densely planted salad bed can out-produce a sprawling squash on the same ground.

Formulas

Expected harvest

harvest kg = plants x yield per plant x success rate

Yield density

kg per m2 = harvest / bed area

Worked example

With the default values below, Garden Harvest Estimate Calculator returns Expected harvest of 24.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Number of plantsminimum 1
12
Yield per healthy plantminimum 0.01 kg
2.5 kg
Share of plants that crop wellaccepts 1–100 %
80 %
Bed areaminimum 0.01 m2
6 m2

Results

Expected harvest
24.00 kg
Yield per square metre
4.000 kg/m2
Effective yield per plant
2.000 kg
Planting density
2.00 plants/m2

Step by step

  1. 1Values used
  2. 2Expected harvest
  3. 3Yield density
  4. 4Expected harvest= 24.00 kg
  5. 5Yield per square metre= 4.000 kg/m2
  6. 6Effective yield per plant= 2.000 kg
  7. 7Planting density= 2.00 plants/m2

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is the Garden Harvest Estimate figure worked out?

harvest kg = plants x yield per plant x success rate. Expected harvest is plants times yield per healthy plant times the share that crop well, then expressed per square metre of bed.

Why does this matter?

Yield per square metre is the number that lets you compare crops, since a densely planted salad bed can out-produce a sprawling squash on the same ground.

What do I need to enter?

Enter number of plants, yield per healthy plant, share of plants that crop well, bed area. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.

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