About these tools: These calculators help you understand the relationships between different light measurements and what your plants actually receive in the PAR zone. All conversions use industry-standard formulas for horticulture applications.
Conversion from daylight solarimeter to PPFD µmol/sm²
W/m²
%
0.00 µmol/sm²
0.00 µmol/sm²
Conversion factor: 1 W/m² ≈ 2.15 µmol/sm² for sunlight
Conversion from daylight sum solarimeter to DLI mol/m²
J/cm²
%
0.00 mol/m²
0.00 mol/m²
Conversion factor: 1 J/cm² ≈ 0.0215 mol/m² for sunlight
Conversion LUX to PPFD µmol/sm²
Lux
PPFD SUN
0.00
µmol/sm²
Factor: 0.0185
PPFD HPS SON-T
0.00
µmol/sm²
Factor: 0.016
PPFD Metal Halide
0.00
µmol/sm²
Factor: 0.019
DLI calculation from PPFD
Step 1: Outside Natural Light
J/cm²
%
0.00 mol/m²
0.00 mol/m²
Step 2: Artificial Light Fixture
µmol/sm²
0.00 W/m²
| Hours of lighting | Natural DLI (mol/m²) | Fixture DLI (mol/m²) | Total DLI (mol/m²) |
|---|