How To Calculate PPFD From DLI

How To Calculate PPFD From DLI

Unit of DLI – mol/m²/d
Unit of PPFD – umol/m²/sec

Calculation from DLI to PPFD

If DLI 12
By Considering 16 hours photoperiod,
12 moles / 16 hr photoperiod / 60 minutes / 60 seconds = 0.000208 moles
(This gives us the amount of moles delivered per second per square meter) 0.000208 moles x 1,000,000 = 208 µmols per second per meter squared (µmol/s/m²) Then PPFD 208


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