DLI Calculator
Result in mol/m²/dayConvert light intensity and photoperiod into the total daily light a crop receives.
Open DLI CalculatorTools
Horticultural calculations, without the spreadsheet
Small, focused calculators for figures growers and consultants work out every day. Free to use, no sign-up. Each tool does one thing.
VPD Calculator
Result in kPaCalculate Air VPD from air temperature and humidity, with an optional plant-to-air vapour pressure difference from leaf temperature.
Open VPD CalculatorContact
Need something these tools do not cover?
Vaerens builds horticultural software for problems that do not fit an off-the-shelf product.