Aquarium Lighting Calculator

PAR and photoperiod for planted and reef aquariums.

Tank Depth (inches)

Tank Length (inches)

Plant / Coral Level

Water Type

Tab to move between fields

Recommended PAR (µmol/m²/s)

Approx. Watts Needed (LED)78.5

Photoperiod (hours/day)8

Suggested Light Height (in.)6

Surface PAR Needed55

Daily Light Integral (mol/m²/day)0.66

How to Use This Calculator

Enter Tank Depth (inches), Tank Length (inches), and Plant / Coral Level.
Set Water Type.
Review the Recommended PAR (µmol/m²/s) result.
Use Approx. Watts Needed (LED) and Photoperiod (hours/day) to inform your decision.

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