Cannabis Yield Estimator Calculator

Expected yield from plant count, genetics, and environment.

Number of plants

Total light wattage

Grow medium (0-3)

Experience level (0-2)

Veg period (weeks)

Tab to move between fields

Estimated yield (g)

855

Estimated yield (oz)30.2

Estimated yield (lbs)1.88

Conservative estimate (g)570

Optimistic estimate (g)1,140

Grams per plant85.5

Grams per watt0.43

How to Use This Calculator

Enter plant count, total light wattage (actual wall draw), and grow medium type.
Set your experience level (beginner, intermediate, expert) and veg period in weeks.
Review Estimated Yield (g), Conservative and Optimistic estimates, Grams per Plant, and Grams per Watt.
Use the grams-per-watt metric to evaluate lighting efficiency and set improvement targets.

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