DLIChart

DLI Calculator & Chart

Turn light intensity (PPFD) and photoperiod into Daily Light Integral, reverse-solve for a target, and see exactly where you land on the DLI chart.

Your light
Daily Light Integral
17.3mol/m²/day
Moderate light · 15–20 mol
µmol/m²/s
hours/day
Reverse solve
Required PPFD
400 µmol/m²/s
DLI chart
Your point: 400 µmol/m²/s × 12 h/day. Click the chart to move your point.
DLI scale (mol/m²/day)
0–5
5–10
10–15
15–20
20–25
25–30
30–35
35–40
40–45
45–50
50–55
55–60
60–65
>65

Typical crop targets: Microgreens / seedlings 5–15 · Leafy greens & herbs 12–17 · Fruiting crops 20–30 · High-light / cannabis 30–45+ · sources

Compare against crop DLI targets or build a full-cycle light plan in the planner.