悟る · grow calculators
Free cannabis grow calculators
No signup. Get a quick number — then let Satoru track the real ones across your whole grow.
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VPD Calculator→
Vapor Pressure Deficit from your temp & humidity, with leaf-temp offset and per-stage targets.
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Yield Estimator→
Ballpark dry yield by light wattage or canopy area — an honest range, not a fantasy number.
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Cost-per-Gram→
Electricity + inputs over your run length, divided by yield — what your weed really costs to grow.