Calculate how many flood lights you need to illuminate any outdoor area to your required light level. Works for sports fields, car parks, construction sites, security lighting, outdoor events, and commercial yards.
Application — click to load standard target lux
Security lighting
20-50 lux
Car park
75-150 lux
Construction site
150-300 lux
Recreational sport
200-500 lux
Competitive sport
500-750 lux
TV broadcast
1000-2000 lux
Area to illuminate
Fixture specification
From spec sheet — total fixture lumens
Height of fixture above ground
For electricity cost calculation
Please enter area dimensions and fixture lumens.
Fixtures needed
0 fixtures
0
Avg illuminance (lux)
0
Coverage per fixture (sq ft)
$0
Annual electricity cost
Flood light layout — top down view
Illuminance standards for common applications
ApplicationMin luxTarget luxYour result
Area dimensions
Total area
Fixture lumens (with LLF)
Beam coverage per fixture
Fixtures required
Total system wattage
Annual electricity (12h/night)
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Quick coverage explorer
Drag to see how one floodlight’s beam, footprint, average light level, and power change. Use the full planner above for a complete multi-fixture area layout.
—Pool diameter
—Lit area
—Avg illuminance
—Fixture power
Assumes the fixture aims straight down with an even beam and a 0.85 maintenance factor; tilting it elongates the pool. Figures are planning estimates — verify against the fixture’s photometric file.