Daily Light Integral (DLI) Calculator

Daily Light Integral (DLI) Calculator

Convert PPFD and photoperiod into DLI for horticultural lighting

Guideline: Leafy greens: 12–17 mol/m²/day, Tomatoes/Peppers: 20–30+, Cannabis: 30–50+ under CO₂.

Lighting Inputs

Daily Light Integral
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Adjusted PPFD
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DLI = PPFD × 3600 × Hours ÷ 1,000,000
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