Grow Tools & Calculators
BetaFree interactive tools to help you with indoor growing – from planning to harvest.
BetaThese tools are built from our own experience and deep research. We're actively testing and improving them in real conditions. Got feedback or ideas to make them even better? We'd love to hear from you!
Give FeedbackGrow Guide
Step-by-step guide from receiving your clones to harvest – with pro tips and checklists.
Open ToolGrow Space Planner
Calculate the optimal number of plants, lighting, and expected yield for your grow room.
Open ToolEC/PPM Calculator
Convert EC to PPM and vice versa – with recommended nutrient levels for each growth stage.
Open ToolElectricity Cost Calculator
Calculate the monthly electricity costs of your grow setup based on wattage, runtime, and kWh price.
Open ToolpH Diagnostic
Check if your water pH matches your substrate and get adjustment recommendations – for soil, coco, and hydro.
Open ToolVPD Calculator
Calculate the Vapor Pressure Deficit from temperature and humidity – with an interactive VPD chart for each growth stage.
Open ToolMore Tools Coming
We're constantly expanding our tool library. Need something specific? Let us know!
Suggest a tool