Light. Data. Growth. Smarter cultivation starts here.
Lighting Calculators & Tools
Optimize your lighting setup with precision. Whether you're dialing in wattage, PPFD, or DLI, these cannabis lighting calculators help you plan smarter, grow better, and maximize yields. Designed for indoor cultivators using LED, HID, or fluorescent lighting systems.
Estimate your lighting needs based on grow area and plant stage.
Best for room planning & canopy size.
Convert light intensity and distance into usable PPFD values.
Best for checking light strength & distance.
Determine daily light integral based on PPFD and hours of light.
Best for setting light schedules & photoperiods.
Find the ideal hanging height for your grow light based on wattage, type (LED/HID), and plant stage.
Best for safe & efficient light placement.
Input your light and grow area to see estimated light spread, hotspots, and coverage zones.
Great for tent layouts and light placement.
Create a tailored light schedule based on plant type (auto/photo), breeder recommendation, and grow method.
Perfect for consistent growth & flowering.
No data collected. These tools are free to use, ad-free, and built for growers by growers.
Cannabis Lighting Calculators for Indoor Grow Lights
Learn More About Grow Lights
Our Grow Light Learning Guide breaks down everything you need to know about lighting for cannabis — from LED vs. HID comparisons to spectrum science, wattage, photoperiods, and safety. It’s the perfect companion to our tools, designed to help you grow smarter and more confidently in any space.
Want to master lighting? Visit our Grow Lights Learning Guide for expert tips, comparisons, and tools.
Explore the Module →
Ready to Upgrade Your Lighting?
Explore our full range of LED, fluorescent, and HID grow lights designed for cannabis cultivation.
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