DLI Calculator

Convert between PPFD and Daily Light Integral for any photoperiod

Daily Light Integral
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mol/m²/day

Typical DLI Targets

Crop / StageDLI (mol/m²/day)
Propagation / low-light plants4 - 10
Leafy greens & herbs12 - 20
Vegetative crops20 - 35
Flowering / fruiting crops35 - 50
High-intensity crops (CO₂-enriched)50 - 65

Formula: DLI = PPFD × hours × 3600 ÷ 1,000,000  |  PPFD = DLI × 1,000,000 ÷ (hours × 3600)

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