DLI Calculator (Daily Light Integral)

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Robert Pavlis

Gardeners growing under lights are starting to understand how important DLI is to their growing environment. References to K levels and distance from bulbs are long gone. These values are obsolete, especially when using LED lights to grow plants.

Now it is all about DLI, the Daily Light Integral. Get that right, and you can grow some great plants.

The problem is that DLI requires you to do some calculations, which nobody wants to do. That is why I developed a FREE DLI Calculator.

  • Gardeners need to start using DLI to describe their lights.
  • It is easy with the DLI Calculator

DLI Calculator

It is a simple spreadsheet program that does all the calculations for you. It is based on the Google Sheets platform.

Most Windows computers are configured to use Sheets. If you are on mobile, you will need to add the Google Sheets app to your device if you don’t already have it.

Press here to use the DLI Calculator.

Information about lights and DLI:
Understanding the Daily Light Integral (DLI)
Best Light Level for African Violets
18 LED Grow Light Myths You Should Know About
Select the Best LED Grow Light for Great Results
Whatโ€™s New in LED Grow Lights
Videos about lights and DLI:
Understanding the Daily Light Integral (DLI)
LED Buyer’s Guide
Best DLI for African violets
Best color spectrum in LED grow lights
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Robert Pavlis

I have been gardening my whole life and have a science background. Besides writing and speaking about gardening, I own and operate a 6 acre private garden called Aspen Grove Gardens which now has over 3,000 perennials, grasses, shrubs and trees. Yes--I am a plantaholic!

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