Grow calculators & tools
Science-backed interactive tools to dial in your environment, balance your lighting, and plan your harvest yields. No guesswork, just target metrics.
Essential
Light & DLI Calculator
Estimate PPFD and Daily Light Integral (DLI) to ensure your plants are receiving optimal light without burn.
Launch tool →Environment
VPD (Vapor Pressure Deficit) Calculator
Calculate exact vapor pressure deficit using room temp, relative humidity, and leaf offset. Optimize transpiration.
Launch tool →Planning
Yield & Harvest Estimator
Estimate your dry yield in grams and ounces based on grow space, light type, actual wattage, and medium.
Launch tool →Journal
Grow Schedule Planner
Generate a customized week-by-week calendar with environmental targets and checklists tailored to your medium and strain.
Launch tool →Diagnostic
Interactive Plant Doctor
Diagnose yellow leaves, brown spots, drooping, or mold. Get immediate, smart solutions for your plant problems.
Launch tool →